Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-18 Thread JohnSwenson

The transformer damping almost always improves things. As to still
hearing differences in power cords even with the transformers damped,
as noted earlier there are quite a few other mechanisms, if any of
those is significant there still might be audible differences. 

At this point in time I can still hear some differences in cords (again
not huge), it may be that my system is getting better and I can now hear
things that were getting masked before, I don't know. There HAS been a
LOT of changes to my system since the initial work on this. 

John S.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-18 Thread adamdea

John
I am not trying to pick holes here, but in the link I copied in my last
post you said that you couldn't hear differences between cables after
damping the transformer and now you say that you can. That seems to me
to be a change of view.
Be that as it may, do you still consider that damping the transformer
removes some/most/nearly all of the differences between cables?


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread JohnSwenson

Yes I have posted on this before, and no my views have not changed. The
power cord is part of the connection between boxes, a conduit for
picking up external noise, radiating noise and part of the electrical
resonances formed with the components and wiring in the walls etc. 

All of these aspects can be modified by the materials and construction
of the power cord. In any situation there are multiple ways in which a
power cord is interacting with the system (see above list), these
interactions are going to be different in every system. 

Well I suppose if you had a system that was in an environment that had
NO RF fields at all in the area, and EVERY component plugged into the
house injected NO noise into the system and EVERY component plugged in
had NO resonances in it's power circuit from DC to hundreds of MHz,
then maybe you could say that a power cord had no theoretical way of
affecting a system. The probability of that happening is EXTREMELY low.
So I'm going to say that in any real world situation the differeing
electrical properties of different power cords will have some affect on
the system. 

This affect is going to be different for every system so its almost
impossible to predict what particular type of cord is going to be best
with any particular component and system. In addition you frequently
wind up with a situation where something that cuts down on lower
frequency interactions between components (say 100KHZ) may increase the
resonances at higher frequencies (say 10MHz). 

As to the response about the wiring in the wall, power cords can be
very important with that. The wiring in the wall is an unterminated
transmission line at RF frequencies, the power cord plugged into a
componant can play a MAJOR role in how that RF gets coupled into a
component. This one is actually quite easy to see. Put a spectrum
analyser (with appropriate high pass  filter so the 60HZ doesn't go
directly into the input) across the primary terminls of the power
transformer. You will see LOTS of stuff there. Try different power
cords, those patterns will change significantly.

OK, so what about using a power filter? You still will have a fair
amount of stuff. It WILL be less in some areas, but  no design is
completely effective and for many of them it actually gets worse in
some areas. The power cord will STILL make a difference. Certainly not
the SAME difference.

This is just one aspect of how power cords intereact with a system,
there are many more. 

And of course every system is going to be affected by these changes in
deifferent ways. In one system these RF differences may make a
significant difference in sound and in others it may not. Same with
other interactions a power cord can have. 


Please note: I am  NOT advocating $1000 power cords! I AM saying that
power cords CAN make a difference, and these differences can be heard
with inexpensive cords, it does NOT take super expensive ones to  make
a difference. So if you are into trying to get the best sound possible
out of your system its probably worthwhile to try some different cords
in different locations in your system and see if it makes any
difference, it might make no difference, or you might be pleasantly
surprised by the improvement. Because of the complex intereactions
there is no way to tell without actually doing it. 

I think the best way to do this is NOT to buy "audiophile" cables, but
go to a computer store, a hardware store, a department store etc and
buy 5 inexpensive power cords from different manufacturers, the
probability of them all being exactly the same is low. If you do this
you won't run into the "the expensive cord has to sound better"
phenomanum because they are all cheap! Try them in different
configurations and see if you notice any difference. 

In my system I CAN hear differences in power cords, even with the
transformers damped. Its not huge, no night and day difference, but its
there and has been worth while, the system sounds a little bit better
and it cost about $100 to do the testing. For me it was worth it. 

John S.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread MichaelJ

Wombat;640919 Wrote: 
> Something Off Topic. 
> I see that some reviewers and well regarded Hi-Fi authors from the past
> these days still hear things they write about and describe fine
> differences. These people must be in the end of their 50s now or even
> older. 
> I have the feeling they fool themself often enough cause their "best
> ear days" are long gone. Some may have very good measuring equipment
> and measure things that no human may ever hear but when measured once
> they really believe to hear it.
> Especialy for these people it is time for real abx testing for an eye
> opener.

hear, hear, he said wistfully. At age 65 my high end has rolled off to
12.5 khz.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread Wombat

Something Off Topic. 
I see that some reviewers and well regarded Hi-Fi authors from the past
these days still hear things they write about and describe fine
differences. These people must be in the end of their 50s now or even
older. 
I have the feeling they fool themself often enough cause their "best
ear days" are long gone. Some may have very good measuring equipment
and measure things that no human may ever hear but when measured once
they really believe to hear it.
Especialy for these people it is time for real abx testing for an eye
opener.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread adamdea

JohnSwenson;640735 Wrote: 
> My take on the power cord issue is that power cords CAN make a
> difference in sound, some times fairly significant changes, but it
> doesn't take thousands of dollars to do it well. People selling $1000
> cords may very well have a cord which sounds better than many other
> cords, but thats probably NOT caused by whatever cost the $1000 but by
> some coincidental factor. 
> 
> The issue here is that what makes a cord sound good is not well
> understood, there are many theories out there as to what is happening.
> What usually  happens is that someone came up with a hypothesis along
> the lines of "super high purity metal might be a factor", so they build
> a cord with very high purity metal, and low and behold it DOES sound
> better. Well if that sounded better then ultra super high purity metal
> should sound even better, right? But in reality the improvement in the
> original had nothing to do with the metal but was caused by the
> particular insullation used which was required to maintain the metal
> purity during manufacfture. If that same insullation was used with
> lesser purity metal you would get similar sound improvements for a lot
> less money, but nobody makes such a combination because the slightly
> more expensive insullation is only used with the high purity metal,
> thus nobody actually tries that insullation with cheaper metal. 
> 
> This sort of thing is rampant in the industry. Someone comes up with
> something that does improve sound, then goes crazy and spends a huge
> amount of money getting that one paramter to its absolute pinicale of
> perfection, not realizing that the original improvement was caused by
> something else! 
> 
> Do I buy $1000 cords? No way, I build my own cords. The most expensive
> one I have made is about $35. My power cords do sound different from
> each other, I'm exploring different geometries, insullations, shielding
> etc using relatively inexpensive materials. And its not just listening,
> I can actually measure differences caused by the different cords. One
> interesting finding from this is that different gear sounds better 
> with different cords, that REALLY complicates things! 
> 
> There is still a lot more work to come up with decent correlations as
> to what cord type sounds best with what equipment. Even if I did have
> good correlations it wouldn't do any good unless you make your own,
> since most manufacturers won't aqctually tell you how their cords are
> made and exactly what materials are used. 
> 
> The best advice I can give right now given the state of the market
> place is to buy several different inexpensive cords from different
> manufacturers and try them out on different equipment in your system.
> If it doesn't make any difference you are not out a lot of money. On
> the other hand you just might find a combination that DOES improve the
> sound of your system. 
> 
> John S.
John unless I have senile dementia (possible) I remember you posting
some time ago on this forum that mains cables sounded different because
of transformer resonance but that once you damped the transformer (by a
relatively easy method) different mains cables thereafter made no
difference. 
Have you changed or view, or is that still the case?


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread Phil Leigh

As for USB cables sounding different... galvanic isolation is essential.
It's not about the cable at all...


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - Audiolense 3.3/2.0+INGUZ DRC - MF M1 DAC - Linn 5103
- full Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5),
Pekin Tuner, Townsend Supertweeters, Blue Jeans Belden Digital,Kimber
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread Phil Leigh

@JS - as I hope you know I have a lot of respect for your views, John.
However, I have conducted a lot of ADM tests on mains cables of varying
types - including Nordost - and found NO measurable or audible
difference when used on line level devices. I have not tested power amp
mains cables in this way. It is possible they may have an effect on
power amps.

If the 1 metre or so of cable is having any effect it will be as an
extra LCR across the reactance of the transformer primary (if there IS
a transformer...). This additional LCR MAY filter some
noise/harmonics.


Personally I use screened mains cables exclusively these days. They are
not expensive and if nothing else provide some extra protection against
rfi.
phil


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - Audiolense 3.3/2.0+INGUZ DRC - MF M1 DAC - Linn 5103
- full Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5),
Pekin Tuner, Townsend Supertweeters, Blue Jeans Belden Digital,Kimber
8TC Speaker & Chord Signature Plus Interconnect cables
Stax4070+SRM7/II phones
Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-15 Thread Bytec

JohnSwenson;640735 Wrote: 
> My take on the power cord issue is that power cords CAN make a
> difference in sound, some times fairly significant changes, but it
> doesn't take thousands of dollars to do it well. People selling $1000
> cords may very well have a cord which sounds better than many other
> cords, but thats probably NOT caused by whatever cost the $1000 but by
> some coincidental factor. 
> 
> The issue here is that what makes a cord sound good is not well
> understood, there are many theories out there as to what is happening.
> What usually  happens is that someone came up with a hypothesis along
> the lines of "super high purity metal might be a factor", so they build
> a cord with very high purity metal, and low and behold it DOES sound
> better. Well if that sounded better then ultra super high purity metal
> should sound even better, right? But in reality the improvement in the
> original had nothing to do with the metal but was caused by the
> particular insullation used which was required to maintain the metal
> purity during manufacfture. If that same insullation was used with
> lesser purity metal you would get similar sound improvements for a lot
> less money, but nobody makes such a combination because the slightly
> more expensive insullation is only used with the high purity metal,
> thus nobody actually tries that insullation with cheaper metal. 
> 
> This sort of thing is rampant in the industry. Someone comes up with
> something that does improve sound, then goes crazy and spends a huge
> amount of money getting that one paramter to its absolute pinicale of
> perfection, not realizing that the original improvement was caused by
> something else! 
> 
> Do I buy $1000 cords? No way, I build my own cords. The most expensive
> one I have made is about $35. My power cords do sound different from
> each other, I'm exploring different geometries, insullations, shielding
> etc using relatively inexpensive materials. And its not just listening,
> I can actually measure differences caused by the different cords. One
> interesting finding from this is that different gear sounds better 
> with different cords, that REALLY complicates things! 
> 
> There is still a lot more work to come up with decent correlations as
> to what cord type sounds best with what equipment. Even if I did have
> good correlations it wouldn't do any good unless you make your own,
> since most manufacturers won't aqctually tell you how their cords are
> made and exactly what materials are used. 
> 
> The best advice I can give right now given the state of the market
> place is to buy several different inexpensive cords from different
> manufacturers and try them out on different equipment in your system.
> If it doesn't make any difference you are not out a lot of money. On
> the other hand you just might find a combination that DOES improve the
> sound of your system. 
> 
> John S.

Nonsense!

A chain is only as strong as its weakest link.

What cables do you have behind your wall outlet? And what is after
that?
(Another place to pollute your power source. :P All sorts of devices
pollute power line.)

There is no power cord that will deliver clean power from dirty
source.
You can't fool physics.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-14 Thread JohnSwenson

Phil Leigh;639262 Wrote: 
> There's NOTHING crazy about having 3,000 CD's. There's plenty crazy
> about a $1,000 mains cord...

My take on the power cord issue is that power cords CAN make a
difference in sound, some times fairly significant changes, but it
doesn't take thousands of dollars to do it well. People selling $1000
cords may very well have a cord which sounds better than many other
cords, but thats probably NOT caused by whatever cost the $1000 but by
some coincidental factor. 

The issue here is that what makes a cord sound good is not well
understood, there are many theories out there as to what is happening.
What usually  happens is that someone came up with a hypothesis along
the lines of "super high purity metal might be a factor", so they build
a cord with very high purity metal, and low and behold it DOES sound
better. Well if that sounded better then ultra super high purity metal
should sound even better, right? But in reality the improvement in the
original had nothing to do with the metal but was caused by the
particular insullation used which was required to maintain the metal
purity during manufacfture. If that same insullation was used with
lesser purity metal you would get similar sound improvements for a lot
less money, but nobody makes such a combination because the slightly
more expensive insullation is only used with the high purity metal,
thus nobody actually tries that insullation with cheaper metal. 

This sort of thing is rampant in the industry. Someone comes up with
something that does improve sound, then goes crazy and spends a huge
amount of money getting that one paramter to its absolute pinicale of
perfection, not realizing that the original improvement was caused by
something else! 

Do I buy $1000 cords? No way, I build my own cords. The most expensive
one I have made is about $35. My power cords do sound different from
each other, I'm exploring different geometries, insullations, shielding
etc using relatively inexpensive materials. And its not just listening,
I can actually measure differences caused by the different cords. One
interesting finding from this is that different gear sounds better 
with different cords, that REALLY complicates things! 

There is still a lot more work to come up with decent correlations as
to what cord type sounds best with what equipment. Even if I did have
good correlations it wouldn't do any good unless you make your own,
since most manufacturers won't aqctually tell you how their cords are
made and exactly what materials are used. 

The best advice I can give right now given the state of the market
place is to buy several different inexpensive cords from different
manufacturers and try them out on different equipment in your system.
If it doesn't make any difference you are not out a lot of money. On
the other hand you just might find a combination that DOES improve the
sound of your system. 

John S.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-14 Thread JohnSwenson

TiredLegs;640526 Wrote: 
> I'd love to see someone do a true ABX test of a $200 USB cable vs a
> cheapo $5 one.

I'd be glad to do one, just send me the $200 cable! How about a Touch
driving a HRT Streamer II, this can sound very good so differences in
cables will not be swamped by other issues.

Also please precisely define the protocol, every time I've tried to do
something like this someone picks apart the protocol, so its best to
have an  agreed upon protocol in advance. 

My take on this is that cables DO make a difference, but price has very
little to do with it, a $20 cable may outperform a $200, or it may not.

The level of these differences is not huge and can be easily swamped by
other issues, so its important to use a system where those "other
issues" are taken care of first. 

Of course this depends on what you are trying to determine with the
test. Are you trying to determine if its possible to hear a difference
between a $5 cable and a $200 AT ALL or or you trying to determine if
there is a difference between a $5 and a $200 cable "for most systems".
There is a significant difference here. For example the above mentioned
HRT streamer II sounds pretty bad hooked up to my laptop, but with the
right tweaks on a Touch sounds fantastic. Connected to the laptop
different cables make no difference at all, the changes they cause are
much lower than the "badness" caused by the laptop. But on the Touch
setup the overall quality is good enough that differences caused by
cables can be heard. 

John S.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-13 Thread ralphpnj

TiredLegs;640526 Wrote: 
> I'd love to see someone do a true ABX test of a $200 USB cable vs a
> cheapo $5 one.

Some of the nonsense about why one needs a $200 USB cable has to do
with the fact a USB cable carries power as well as the digital signal
so that in a cheap USB cable the power current would harm the digital
signal. More techno mumbo jumbo to confuse the gullible audiophile.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-13 Thread TiredLegs

ralphpnj;638567 Wrote: 
> To those of us who live with and use computer based audio on a daily
> basis the review was a sham. Mr. Atkinson's comment in post #95 that I
> am "a a self-proclaimed computer audio expert" only highlights the poor
> level of experience and understanding most of Stereophile's staff have
> with regards to computer based audio. For me their biggest mistake is
> allowing the myths and nonsense of analog audio to bleed over into
> digital audio. $200 USB cables are plain and simply a ripoff but a
> major source of ad revenue and so Stereophile has to somehow justify
> the usefulness of these cables.
I'd love to see someone do a true ABX test of a $200 USB cable vs a
cheapo $5 one.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-04 Thread ralphpnj

Phil Leigh;639262 Wrote: 
> There's NOTHING crazy about having 3,000 CD's. There's plenty crazy
> about a $1,000 mains cord...

There may be nothing crazy about having 3,000 CDs but there is
something crazy about having 3,000 CDs in those little plastic jewel
cases:

http://forums.slimdevices.com/showthread.php?t=80369


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-04 Thread Phil Leigh

There's NOTHING crazy about having 3,000 CD's. There's plenty crazy
about a $1,000 mains cord...


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - Audiolense 3.3/2.0+INGUZ DRC - MF M1 DAC - Linn 5103
- full Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5),
Pekin Tuner, Townsend Supertweeters, Blue Jeans Belden Digital,Kimber
8TC Speaker & Chord Signature Plus Interconnect cables
Stax4070+SRM7/II phones
Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-03 Thread Toy Maker

No I'm not late to the party at all.. I'm honestly not anywhere near as
anal as some of the people I know in the audio world. I'm usually happy
playing 320k songs. I watch some of these guys striving for "perfect
synergy" in every IC and power cord, and laugh. 
The only reason I am even getting more info on wav/FLAC files, is to
PROVE to these guys, that a music server is the way to go. Some of
these guys have 2000-3000 and one guy I know has 5000 CDs
An entire wall of CDs. It's crazy to me. But I also know its just like
a heroin fiend, the "setup" is half the HIGH. I've been friends with
some of these guys for 5-10 years, and I watch them upgrade, swap 50
cables, get the $1000 power cord for their CD players...   It all looks
like too much WORK. they will never be happy of finished, always chasing
that last 2% or (that next high)

I see myself being pretty lucky. I can sit back and listen to a 128k
song (knowing it sounds like shit) and not really care at all. I listen
to the "music" not the image, or placement of each instrument, just the
overall music.
A cabinet building friend once said to a client that was complaining
about the finish on his newly installed wall unit  "Stop looking at
the hole, stand back and look at the doughnut"

I'd guess only 10% of my personal listening music is FLAC quality. I
listen to Pandora most of the time now.

Also, thanks for the spell-check...  I fixed it.


-- 
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-03 Thread earwaxer9

I didnt want to say it first...there is a nauseating and largely
misinformed elitism in the ranks of "audiophilia". If they were to
spend any time at all in forums like these they could get an education!


-- 
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-03 Thread ralphpnj

mswlogo;639166 Wrote: 
> The bitstreams will be identical. The jitter may vary between devices.
> The difference will likely be inaudible. Good DACs will make the
> difference in jitter non existent. It's been beaten to death years ago.
> You're a little late to the party.

I don't think that the op is the one who is late to the party but
rather some of his self-professed golden eared audiophile friends who
are not only late to the party but appear to have never even gotten an
invitation. As I've stated earlier in this thread I spend time over on
the Stereophile forum (which, btw is slowly dying) and many of those
forum members hold the same misguided and outdated beliefs as Toy
Maker's golden eared friends.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-07-03 Thread mswlogo

Toy Maker;638339 Wrote: 
> I will also do a little testing/listening of FLAC vs. wav files vs. CDs
> in the next week or so. 
> Again, i don't expect to be able to hear a difference. But I want to
> cover all my bases before showing up unprepared, and look stupid and
> have anyone tell me "see we told you CDs were better"
> 
> Approximately what % of space is saved using FLAC files over the raw
> wav files?

For someone with so many toys you seem kinda green :)

The bitstreams will be identical. The jitter may vary between devices.
The difference will likely be inaudible. Good DACs will make the
difference in jitter non existent. It's been beaten to death years ago.
You're a little late to the party.

If you use a DAC that can use an external word clock with the
Transporter the jitter will be effectively 0. I assume some CD players
can drive or use input a word clock as well.

If you use an external DAC you basically want a single master clock
running both the player and the DAC. Rather than use SPDIF and recreate
the clock in the DAC. This is the best way to use an external, but you
likely won't hear a difference with out it. If it's reasonbly good CD
player or Transporter.

FYI DBpoweramp, is so much better than EAC. They own accurateRip
(assuming you know what that means). You seem a bit hung up on EAC. You
get a bunch other nice tools with dbPoweramp as well.

I think most folks on this forum are convinced going with Music
libraries even if it was slightly worse than CD. The luxury of your
whole library at your finger tips is great. Flac rules around here for
most folks. WAV was created with Windows 3.1, much better, does error
correcting, easier to store meta data and have the space with no loss.
It can also support 24/96 (officially) as well as multi channel. You
can also setup your server to send WAV to Transporter/SB3 even if your
library is in FLAC. Silly, but you can.


-- 
mswlogo

Transporter/DuetController > SPDIF > Meridian G68 > DSP6000, DSP5500HC,
DSP5000

"It's the speakers and room stupid".

'My Transporter Setup'
(http://forums.slimdevices.com/showpost.php?p=350741&postcount=45)
'Hitch Hikers Guide to Meridian' (http://www.meridianunplugged.com)

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-29 Thread ralphpnj

Toy Maker;638339 Wrote: 
> I will also do a little testing/listening of FLAC vs. wav files vs. CDs
> in the next week or so. 
> Again, i don't expect to be able to hear a difference. But I want to
> cover all my bases before showing up unprepared, and look stupid and
> have anyone tell me "see we told you CDs were better"
> 
> Approximately what % of space is saved using FLAC files over the raw
> wav files?

Since it has been shown many times in many different tests of all kinds
that flac and wav sound identical, along with the space savings of
around 40% to 50% of flac over wav, the other compelling reason for
using flac is the ability to tag the files. Properly and consistently
tagged files go a long way in helping to maintain an organized digital
music library.

Regarding the Bryston BDP-1 thread over on Stereophile forum, I'm still
pretty much convinced (although I have absolutely no way to prove it)
that the review was assigned to a reviewer with almost no experience in
computer based audio which in turn led to a very poorly written and very
incomplete review. Any reader with a similar lack of experience with
computer audio (and no, experience with iTunes does not count) the
review appears to be well written and somewhat informative and
Stereophile has managed to keep it's track record of no really negative
reviews intact.

To those of us who live with and use computer based audio on a daily
basis the review was a sham. Mr. Atkinson's comment in post #95 that I
am "a a self-proclaimed computer audio expert" only highlights the poor
level of experience and understanding most of Stereophile's staff have
with regards to computer based audio. For me their biggest mistake is
allowing the myths and nonsense of analog audio to bleed over into
digital audio. $200 USB cables are plain and simply a ripoff but a
major source of ad revenue and so Stereophile has to somehow justify
the usefulness of these cables.

After the thread had run its course I still that the Bryston BDP-1 is
no more than a $200 PC sound card in an $1800 aircraft quality machined
aluminum jacket.


-- 
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Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
Transporter 2 (oops) -> Touch

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread adamdea

Daverz;638390 Wrote: 
> Atkinson is the editor of Stereophile.  The cossacks work for the Czar.
Not sure that being the editor is quite the same as being an absolute
ruler, but I get your point.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread Daverz

adamdea;638365 Wrote: 
> 
> I personally have a soft spot for John Atkinson and his measurement
> sections. I fear he must be a lonely voice amongst the mystics and
> dipsticks who write for Stereophile (actually I like KR and JM and one
> or two others) .

Atkinson is the editor of Stereophile.  The cossacks work for the Czar.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread adamdea

ralphpnj;638249 Wrote: 
> While I don't question the truth of your statement regarding audiophiles
> and streamed vs. CD playback I do wonder how much their belief in the
> superiority of CD playback is based on the brand names of the devices
> being tested. In other words, would a digital audio file being streamed
> via a $20,000 Linn Klimax DS still be inferior to a CD transport? From
> an audiophile standpoint a $10,000 CD transport or player HAS to "sound
> better" than a $300 SB Touch, even if there is absolutely no difference.
> For an example of what I mean check out the Stereophile review of the
> Brston BDP-1 where no meaningful comparisons were made with/to any
> other digital streaming devices, including the lowly $300 SBT.
> 
> http://forum.stereophile.com/content/bryston-bdp-1-digital-audio-player
> 
> After you've read through that almost useless review check out the
> comments posted on the Stereophile forum. On that forum my user name is
> "jazzfan".
> 
> http://forum.stereophile.com/content/brystin-bdp-1-review
Sorry I am a bit behind here. I noticed from that thread that JA said
the following -not really anything to the point about your comments on
the Bryston thingie, but very relevant to the OP here

"And with respect to all the request for comparisons and sound quality,
it is a _digital_ source. The only relevant questions are 1) are the
bits it outputs the same as those in the file? .. And is that
datastream of sufficiently low jitter not to degrade the output of the
DAC to which it is connected?"
I personally have a soft spot for John Atkinson and his measurement
sections. I fear he must be a lonely voice amongst the mystics and
dipsticks who write for Stereophile (actually I like KR and JM and one
or two others) .


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread Bytec

garym;638342 Wrote: 
> FLAC files are 50% to 60% of the WAV file. So you cut the space needs in
> half. Most think you should use the 5 level of "compression" with FLAC
> (or lower). This is because there are *some* decoders that struggle
> more with decoding the maximum compression (8), and there is not much
> real space saving going from 5 to 8. It may be fixed now, but some SB
> users reported problems with 24/96 FLAC files when they were encoded at
> 8 but no issues when encoded at 5.  
> 
> I've never had any issues with 16/44.1 FLAC files encoded at 8, but
> I've since started ripping everything at "5" anyhow.

All my FLAC files are encoded @level 8.
I've done some tests with encoding at all levels to compare
encoding/decoding results.

Conclusion is that level 8 encoding does save some space, but savings
are relatively small (few megabytes).
Decoding of level 8 FLAC files may take more CPU power but difference
is very small (few %). 
For hi-res PCM data compression ratio is not so good as it is with
16/44.1 files.

That's why I decided to go for level 8 encoding for all my FLAC files
because it will save some space and costs are next to nothing.

So far haven't had any problems while decoding level 8 FLAC files on my
SB Duet or other players.


-- 
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread garym

Toy Maker;638339 Wrote: 
> I will also do a little testing/listening of FLAC vs. wav files vs. CDs
> in the next week or so. 
> Again, i don't expect to be able to hear a difference. But I want to
> cover all my bases before showing up unprepared, and look stupid and
> have anyone tell me "see we told you CDs were better"
> 
> Approximately what % of space is saved using FLAC files over the raw
> wav files?

FLAC files are 50% to 60% of the WAV file. So you cut the space needs
in half. Most think you should use the 5 level of "compression" with
FLAC (or lower). This is because there are *some* decoders that
struggle more with decoding the maximum compression (8), and there is
not much real space saving going from 5 to 8. It may be fixed now, but
some SB users reported problems with 24/96 FLAC files when they were
encoded at 8 but no issues when encoded at 5.  

I've never had any issues with 16/44.1 FLAC files encoded at 8, but
I've since started ripping everything at "5" anyhow.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread Toy Maker

I will also do a little testing/listening of FLAC vs. wav files vs. CDs
in the next week or so. 
Again, i don't expect to be able to hear a difference. But I want to
cover all my bases before showing up unprepared, and look stupid and
have anyone tell me " see we told you CDs were better"

Approximately what % of space is saved using FLAC files over the raw
wav files?


-- 
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(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng
And more toys than any one person should be aloud to own.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread Toy Maker

I don't think i have used it yet   But I will play with it this week
a little, and see how accurate my filets were. I guess I was going by
the accuracy that EAC was giving me for each track... Im not 100% sure
if it's already on in EAC or if i have to do something else to utilize
it ?
Very new to EAC and have only used it twice now.  Give me a couple
days, and I'll have it down.


-- 
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-28 Thread andynormancx

Toy Maker;638138 Wrote: 
> 
> I ripped a few of my favorite CDs that I still had stashed away.
> Most of the files that EAC made came out 100% bit for bit perfect.
> There were however a few files that were 99.9 or 99.7 due to the CDs
> being old and scratched pretty badly.

Are you actually using AccurateRip, as advised, to make sure you are
getting 100% accurate rips ?


-- 
andynormancx

Yes, it will. Yes, all of them. Yes, SoftSqueeze as well. What ?
I SAID ALL OF THEM !

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread Toy Maker

Oh my god what a long painful read that was over on Audiophool.
I am personal friends with Bob Carver, one of the audio designers that
spat in the face of the Audiophools, and made an $800 stock Carver
amplifier have an identical audio signature as a set of $20,000 tube
amplifiers. They gave him the credit... But then tried to take it away,
and even sued him for using the review in his ads. 
Regardless of what they say, there is no way in hell they will ever
give a PAYING customer a nevitive review. 

I'm glad to see in your ongoing fight to promote some enlightenment of
thenSqueezebox line, at least a couple people opened their eyes.

This is the exact same thing I am trying to do in September at
CarverFest.
I've had my SB3 for about 3 years, and in the last year or so, I know I
have convinced no less than 5 of our forum members to buy some SD unit.
I am the first person that anyone on the forum knows to buy a
Transporter. I honestly expect Logitech will make a few thousand
dollars due to me.

I honestly enjoy teaching some of the "old dogs" new tricks. I'm 37 and
am the youngest so called "Audiophile" at the event. There will be about
45 people there that come and go throughout the 10-day event.
"Golden-Ear Tom" and I are the event cordinators, and are there the
full 10 days.

So with a $50,000 system being driven soley by a Transporter, I fully
expect to help the digital world (at least a little anyway) out, and
try to showcase the true level of quality and convience that can be
achieved for less than $1000. 

>From what I know, the reviewer from Absolute Sound might be coming up
to a few days to run a story on the Fest. I am hoping he comes on one
of the days that we run the A/B testing. We might be able to get him
involved, and to possibly write a little something in their magazine.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread ralphpnj

Wombat;638260 Wrote: 
> Tough writing you did there. Next is to convince Mr. Atkinson or parts
> of his team for a real DBT between this unit and the Touch. Next test
> will be Hires against properly downsampled... :)
> I remember him argueing in a thread on Hydrogenaudio about the evils
> and audio compression. If i remember right (very long thread) he did
> showcases with Hires files against lossy, sighted and pretty
> prejudiced. The answer if he ever DBtested anything he mentions there
> is still open afaik. One other thing is a sample he uses for eficiently
> showing the advantage of 24bit recordings consists of pure noise in bits
> 17-24... If interest i can try to dig that thread out.

Noise, yeah Stereophile is pretty familiar with noise since noise is
about all one gets when it comes to their coverage of digital audio. In
spite of Mr. Atkinson's belief that Stereophile does a super job in
their coverage of digital audio I've yet to see even one review of a
high resolution download from any of the various vendors (Linn, HDTT,
HDTracks, etc.). And now they are busy touting the superiority of
176.4kHz and 192kHz over 88.2kHz and 96kHz! As I said, pure, unfiltered
noise.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread Wombat

ralphpnj;638249 Wrote: 
> 
> http://forum.stereophile.com/content/bryston-bdp-1-digital-audio-player
> 
> After you've read through that almost useless review check out the
> comments posted on the Stereophile forum. On that forum my user name is
> "jazzfan".
> 
> http://forum.stereophile.com/content/brystin-bdp-1-review

Tough writing you did there. Next is to convince Mr. Atkinson or parts
of his team for a real DBT between this unit and the Touch. Next test
will be Hires against properly downsampled... :)
I remember him argueing in a thread on Hydrogenaudio about the evils
and audio compression. If i remember right (very long thread) he did
showcases with Hires files against lossy, sighted and pretty
prejudiced. The answer if he ever DBtested anything he mentions there
is still open afaik. One other thing is a sample he uses for eficiently
showing the advantage of 24bit recordings consists of pure noise in bits
17-24... If interest i can try to dig that thread out.


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread ralphpnj

adamdea;638174 Wrote: 
> Don't knock it Rodney. On a certain hifi forum (probably more than one)
> there are many people who swear blind that  CD players sound better as
> a transport into a DAC than any digital streaming device (and get quite
> shirty if you question this belief.)
> We should celebrate any posting on an audiophile forum of a subjective
> result which makes sense

While I don't question the truth of your statement regarding
audiophiles and streamed vs. CD playback I do wonder how much their
belief in the superiority of CD playback is based on the brand names of
the devices being tested. In other words, would a digital audio file
being streamed via a $20,000 Linn Klimax DS still be inferior to a CD
transport? From an audiophile standpoint a $10,000 CD transport or
player HAS to "sound better" than a $300 SB Touch, even if there is
absolutely no difference. For an example of what I mean check out the
Stereophile review of the Brston BDP-1 where no meaningful comparisons
were made with/to any other digital streaming devices, including the
lowly $300 SBT.

http://forum.stereophile.com/content/bryston-bdp-1-digital-audio-player

After you've read through that almost useless review check out the
comments posted on the Stereophile forum. On that forum my user name is
"jazzfan".

http://forum.stereophile.com/content/brystin-bdp-1-review


-- 
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Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread adamdea

Don't knock it Rodney. On a certain hifi forum (probably more than one)
there are many people who swear blind that  CD players sound better as
a transport into a DAC than any digital streaming device (and get quite
shirty if you question this belief.)
We should celebrate any posting on an audiophile forum of a subjective
result which makes sense


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread Rodney_Gold

Wow , all that work to come to a conclusion we all knew :)


-- 
Rodney_Gold

TP/Z-sys RDP1 digital Pre/Meridian DSP5500's Or TP/DSP5500's
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SB3/Meridian DSP5000's
TP/ Emotiva X-da1/Woo Audio Wa2 Headphone amp/Sehneisser Hd800's
Touch/KrK Ergo/KrK VXT8 actives + 10S sub

"The nicest thing about smacking your head against the wall is...the
feeling you get when you stop"

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-27 Thread adamdea

Toy Maker;638138 Wrote: 
> 1st I will list all equipment used.
> 
> Proceed AVP Preamp
> Logitech Transporter SE
> Denon 2910 DVD Player
> Carver Lightstar Reference Amplifier
> Carver AL-III plus Speakers
> JL Fathom Subwoofer F-112
> All CarverAudio cables
> 
> Exact Audio Copy (EAC)
> Acer 8930 laptop to rip the CDs
> Acer Home Server to store the files.
> Linksys WiFi router to connect everything.
> 
> 
> I ripped a few of my favorite CDs that I still had stashed away.
> Most of the files that EAC made came out 100% bit for bit perfect.
> There were however a few files that were 99.9 or 99.7 due to the CDs
> being old and scratched pretty badly.
> After moving all the newly ripped files from my laptop over to the
> music server, I started listening. 
> I went right to tracks I knew really well, played a few of them, and
> just listened. After about a half hour, I put in the CD, and started to
> listen to it. I was listening for small nuances that I knew were in the
> songs and could pinpoint with the ripped file with no problem. I was
> checking to see if there were being played in the same place in the
> room.
> 
> Then we started switching back and forth while playing the same tracks
> on both units. 
> Knowing which source I was listening to, I thought I was hearing slight
> differences, and was sure I could tell the 2 apart.
> Then I did it blind. I started both players, and had Alex switch them
> back and forth. Blindfolded, I had bo clue which was which... I was
> basically guessing. 
> 
> So, the test seems to be EXTREMELY even if you ask me. I will be
> seriously impressed if anyone can tell me which is which. Not right off
> the bat, but I'd go as far as letting someone listed to the same tracks
> NOT blindfolded at first, and then blindfold them, and see if they can
> tell which source is playing.
> 
> After listening myself, I have absolutely no problem what so ever
> abandoning CDs forever.
> Keep in mind, you HAVE to have an original CD in the beginning to rip
> your files from, or get already ripped files from some other source.
Glad you sorted that out. Incidentally did you only use WAV files or
did you use flac too. if the former I suggest phase 2 being to use
FLACs and compare with WAV. I bet you anything that you can't tell the
difference. And even if you could, it would then only be necessary to
stream the FLACS as PCM.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-26 Thread Toy Maker

1st I will list all equipment used.

Proceed AVP Preamp
Logitech Transporter
Denon 2910 DVD Player
Lightstar Reference Amplifier
AL-III plus Speakers
JL Fathom Subwoofer F-112
All CarverAudio cables

Exact Audio Copy (EAC)
Acer 8930 laptop to rip the CDs
Acer Home Server to store the files.
Linksys WiFi router to connect everything.


I ripped a few of my favorite CDs that I still had stashed away.
Most of the files that EAC made came out 100% bit for bit perfect.
There were however a few files that were 99.9 or 99.7 due to the CDs
being old and scratched pretty badly.
After moving all the newly ripped files from my laptop over to the
music server, I started listening. 
I went right to tracks I knew really well, played a few of them, and
just listened. After about a half hour, I put in the CD, and started to
listen to it. I was listening for small nuances that I knew were in the
songs and could pinpoint with the ripped file with no problem. I was
checking to see if there were being played in the same place in the
room.

Then we started switching back and forth while playing the same tracks
on both units. 
Knowing which source I was listening to, I thought I was hearing slight
differences, and was sure I could tell the 2 apart.
Then I did it blind. I started both players, and had Alex switch them
back and forth. Blindfolded, I had bo clue which was which... I was
basically guessing. 

So, the test seems to be EXTREMELY even if you ask me. I will be
seriously impressed if anyone can tell me which is which. Not right off
the bat, but I'd go as far as letting someone listed to the same tracks
NOT blindfolded at first, and then blindfold them, and see if they can
tell which source is playing.

After listening myself, I have absolutely no problem what so ever
abandoning CDs forever.
Keep in mind, you HAVE to have an original CD in the beginning to rip
your files from, or get already ripped files from some other source.


-- 
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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-24 Thread Wombat

SuperQ;637843 Wrote: 
> There is so much confusion around FLAC being "compressed".  How about we
> say "linear encoded".  FLAC is compression like ZIP files are
> compressed.  If you put a word processor document into a ZIP file and
> then unzip it, your document doesn't change.  FLAC is the same.

The confusion is not about that exactly. Some understand that logic :)
The real problem occures in the unit when it is stressed with
decompressing flac. Golden Ears hear when the CPU inside the device
does hard with decoding flac while wav flows in softly without the
decompressing torture.


-- 
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Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-24 Thread SuperQ

Toy Maker;637606 Wrote: 
> I recently learned that EAC wav files are 100% uncompressed, as perfect
> to the original CD track as possible. So FLAC files are out too.
> I can make FLAC files using EAC as well... We could A-B test wav vs
> FLAC for a 2nd test. But we will have enough on our plate already I
> think.
> 

There is so much confusion around FLAC being "compressed".  How about
we say "linear encoded".  FLAC is compression like ZIP files are
compressed.  If you put a word processor document into a ZIP file and
then unzip it, your document doesn't change.  FLAC is the same.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-24 Thread garym

Toy Maker;637738 Wrote: 
> Ok, so ABX, is probably what we will do. Tom is the main person to try
> to tell A from B... I'm sure there will be others that will want to
> join in for the test.
> 
> It should be a fun test, and i expect some very positive results on
> favor of the Transporter.
> 
> 
> And that is a KICKASS table !!!

As you probably already know, it is critical that the volume of the two
sources be identical. Lots of documentation of listeners preferring the
louder source, even where it is almost imperceptively louder.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread Toy Maker

Ok, so ABX, is probably what we will do. Tom is the main person to try
to tell A from B... I'm sure there will be others that will want to
join in for the test.

It should be a fun test, and i expect some very positive results on
favor of the Transpoter.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread garym

Rodney_Gold;637691 Wrote: 
> I use the same type of table you use as a hifi stand in my upstairs
> lounge for my no vent gas fire - Probably puts out less heat than those
> amps :)

Some happy dogs!!


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread Rodney_Gold

I use the same type of table you use as a hifi stand in my upstairs
lounge for my no vent gas fire - Probably puts out less heat than those
amps :)


+---+
|Filename: IMG_1601.jpg |
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=12015|
+---+

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TP/Z-sys RDP1 digital Pre/Meridian DSP5500's Or TP/DSP5500's
Touch/Emotiva X-DA1 dac/bryston 4bst/Canton Ergo 120 dc
SB3/Meridian DSP5000's
TP/ Emotiva X-da1/Woo Audio Wa2 Headphone amp/Sehneisser Hd800's
Touch/KrK Ergo/KrK VXT8 actives + 10S sub

"The nicest thing about smacking your head against the wall is...the
feeling you get when you stop"

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread garym

http://www.hydrogenaudio.org/forums/index.php?showtopic=16295


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread aubuti

Toy Maker;637680 Wrote: 
> Please explain what a ABx test is??
> 
> Yes Tom will know when I am switching sources.
For an explanation of ABX test, see 'adamslim's post'
(http://forums.slimdevices.com/showthread.php?p=637567) just a few
posts above (#22). Or wikipedia's entry is decent:
http://en.wikipedia.org/wiki/ABX_test

If you don't do ABX, then are you going to do several trials,
randomizing which source is A and which source is B, so that if Tom
detects a difference then you can see whether he consistently prefers
one over the other (this is another of adamslim's good suggestions
above)? Or are you sometimes going to not really switch inputs when you
say you're switching, to see if he reports a difference even when it's
the same source?


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-23 Thread Toy Maker

Yes most of our equipment is Carver...
We have a few nice pieces of equipment.

[image: http://carveraudio.com/phpBB3/download/file.php?id=3053]

Please explain what a ABx test is??

Yes Tom will know when I am switching sources.

Hahahaha... The $300 Sennheisers...  Those were the junk ones. I sold a
set of HE-90's a few months ago on eBay for $11,400  wish I had a dozen
of those laying around !!!


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-22 Thread ralphpnj

Toy Maker;637606 Wrote: 
> Most if not ALL of the 15+ systems that will be at the fest are In the
> $10,000+ range...  ours fall into the $50,000 range. Not sure what $300
> units you are talking about...

I hope that not all of systems are all Carver equipment:)

Toy Maker;637606 Wrote: 
> The perfect outcome in my opinion would be in test-1, that there is no
> difference, and we never even go on to test-2
> I hope the outcome IS null, that they DO sound the same. THAT IS THE
> TEST.

I beg to differ. The best outcome would be where Mr. Golden Ears hears
a difference and actually prefers the wav/flac files over the CD. Then
truly justice would be served.


-- 
ralphpnj

Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
Transporter 2 (oops) -> Touch

'Last.fm' (http://www.last.fm/user/jazzfann/)

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-22 Thread aubuti

Toy Maker;637606 Wrote: 
> Most if not ALL of the 15+ systems that will be at the fest are In the
> $10,000+ range...  ours fall into the $50,000 range. Not sure what $300
> units you are talking about...
Probably the $300 Sennheiser headphones you mention in the first post
on the Carver forums.


Toy Maker;637606 Wrote: 
> I recently learned that EAC wav files are 100% uncompressed, as perfect
> to the original CD track as possible. So FLAC files are out too. I can
> make FLAC files using EAC as well... We could A-B test wav vs FLAC for
> a 2nd test. But we will have enough on our plate already I think.
All wav files are uncompressed, not only "EAC wav files". And the
compression in all FLAC files is _lossless_ (that's what the L stands
for in FLAC), and therefore as equally perfect to the original CD track
as wav.

Toy Maker;637606 Wrote: 
> We came to the conclusion, that there will be (2) parts to the test. 
> 1) Can you hear a difference between the 2 sources...  and Tom will
> have to document what cues he hears in each recording, that don't match
> up.
> 2) Which of the 2 "sounds better, and why"  test-2 will only have to be
> done if test-1 is NOT NULL.
> 
> The perfect outcome in my opinion would be in test-1, that there is no
> difference, and we never even go on to test-2
> I hope the outcome IS null, that they DO sound the same. THAT IS THE
> TEST.
I don't see how you're going to do the statistics on that test. Part 1
sounds like it would be much better to do it as an ABX test, which
would provide more conclusive results than Tom saying "I hear these
differences". I understand that Tom won't know which source is A and
which source is B, but will he know when you are switching them?


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-22 Thread Toy Maker

Most if not ALL of the 15+ systems that will be at the fest are $10,000+
range...  ours fall into the $50,000 range. Not sure what $300 units you
are talking about... 

Well here was the latest update to the test as of last night

The test is about the same...  a few minor changes, but nothing major..
NO optic cables, as I have learned THEY SUCK.
Digital RCA's will be the cable of choice, from each source to the
pre-amp, which I will be MAKING myself ;)

I recently learned that EAC wav files are 100% uncompressed, as perfect
to the original CD track as possible. So FLAC files are out too.
I can make FLAC files using EAC as well... We could A-B test wav vs
FLAC for a 2nd test. But we will have enough on our plate already I
think.

The Proceed pre-amp is in, as the pre-amp/DAC that will decode both the
CDP and the PC files.
Other than that, I don't think much has changed since the start of this
thread.

Tom and I got off the phone a little while ago. We discussed "What the
test should actually be"

We came to the conclusion, that there will be (2) parts to the test. 
1) Can you hear a difference between the 2 sources...  and Tom will
have to document what cues he hears in each recording, that don't match
up.
2) Which of the 2 "sounds better, and why"  test-2 will only have to be
done if test-1 is NOT NULL.

The equipment will be set up by me, and Tom will not know which source
is which. He will only be able to go by source-A and source-B.
We will be able to switch back and forth on the fly with the Proceed's
remote, and if whatever CDP'r we use has a remote,
then we will be able to cue up the PC file and the CD track
simultaneously every time, and Tom will never know which source he's
really listening to.

The perfect outcome in my opinion would be in test-1, that there is no
difference, and we never even go on to test-2
I hope the outcome IS null, that they DO sound the same. THAT IS THE
TEST.


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-22 Thread adamslim

It looks like a worthwhile test.  Some comments:

Would it not be better to use a fairly high end system?  Even high end
headphones, rather than $300 ones?

Secondly, if the ears of the listener are so good that he can note down
the differences, why not ask him to say which an unknown player is? 
This would be an ABX test - you play A and B, to the listener's
satisfaction, then ask him which X is.  If he can get this right, it
would be really strong evidence for a difference.

Thirdly, could you randomise the inputs for each test, i.e. in test 1 A
is the CD, in test 2 B is, and so on.  Then the listener could say which
he thinks is the best.  If he consistently chooses one, above
statistical likelihood, then you have evidence.  This is a lot easier
to run than ABX.

Finally, it's worth getting in someone who knows statistics to help you
to decide how many tests to run.


-- 
adamslim

MPD on Linux PC, Caiman, DIY Kondo M7 pre, 6B4G SET, Lowther monsters
SB3, Charlize 2, DIY open baffle speakers
Boom x 2, Radio

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-20 Thread Toy Maker

SuperQ  
Thanks for the link to AudioDiffMaker !!  Please take a look at this,
you will defiantly find it interesting 

http://www.youtube.com/watch?v=NAmtwNipZoM

This was a CONTEST that Audiophile put to Bob Carver back in the late
80's

"The Carver Amplifier Challenge"
Full publication here:
http://www.carveraudio.com/index.php/history/carver-corp


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-20 Thread earwaxer9

Interesting thread...From my limited experience. The KISS principle is
one to live by in audio. That picture of all that equipment just sends
me into a panic! With what I have now, I'm COMPLETELY challenged with
the number of variables I'm dealing with. Of course, I'm an obsessive
tweaker. I havent come close to exploring all the variables in my
domain as it stands. I will get there some day. To give you an idea.
Today, I have experimented with changing my bypass mundorf silver/oil
caps from series to parallel with positive results. I didnt even
believe in the concept of the "bypass" cap until I tried it. 

Dont get me wrong...I LOVE the sound I'm hearing. I have a disease. Its
all good though. Put me in a house with tons of stuff. Thats probably
not good!


-- 
earwaxer9

System: modified Winsome Labs Mouse, modified Maggie MMG's, Transporter,
HSU sub 12, MSB DAC to 500 watt sub slave amp, JPS labs power cords,
Silver audio interconnect, Audioquest Granite speaker cable.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-20 Thread SuperQ

Toy Maker;637345 Wrote: 
> That's the plan.   Tom (the golden ear boy) says he will be
> listening for cues like instrument placement to try to tell the 2
> apart.  
> 
> If both sources are digital to a single DAC...  all should be equal,
> no?

Yup, if both transports are sending a bit-identical signal and have
reasonably good jitter there should be no detectable difference.

Check out http://www.libinst.com/Audio%20DiffMaker.htm


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-20 Thread Toy Maker

That's the plan.   Tom (the golden ear boy) says ge will be
listening for cues like instrument placement to try to tell the 2
apart.  

If both sources are digital to a single DAC...  all should be equal,
no?


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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-19 Thread Rodney_Gold

All you are doing is comparing the tranporter/sb3/touch as a transport
vs a dedicated transport (your cd player using it's digital out).

I compared my transporter to a Theta Jade transport and the
Transporter was better as a transport IMO. Just hook up both into a dac
with 2 coax inputs using the same or similar digital cables and cue em
up together , switch tween one and the other.


-- 
Rodney_Gold

TP/Z-sys RDP1 digital Pre/Meridian DSP5500's Or TP/DSP5500's
Touch/Emotiva X-DA1 dac/ATC SCM 50a's
SB3/Meridian DSP5000's
TP/ GerdDAC or various other DAC's/Woo Audio Wa2 Headphone
amp/Sehneisser Hd800's
Touch/KrK Ergo/KrK VXT8 actives + 10S sub

"The nicest thing about smacking your head against the wall is...the
feeling you get when you stop"

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-19 Thread Mnyb

depending on the gear ( I have not heard yours ) You may not be able to
tell any difference between any resonably good digital sources at all
.

throw in a cheap dvd player in the mix and try that to.


-- 
Mnyb


Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x
MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3
sub.
Bedroom/Office: Boom
Kitchen: SB3 + powered Fostex PM0.4
Misc use: Radio (with battery)
iPad 64gB wifi +3g with iPengHD & SqueezePad

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-19 Thread darrenyeats

Toy Maker;637046 Wrote: 
> No...  Not at all... My "Golden Ear" Audiophile buddy, says he will
> be able to hear the difference. He says the Transporter can not
> reproduce a ripped CD to where he cant tell the difference.
> I plan to prove him wrong.
Assuming you're using a CD transport into the TP, it's theoretically
possible the CD will sound worse (due to read errors). Other than that
I am with you!


-- 
darrenyeats

http://www.amazon.co.uk/gp/richpub/listmania/byauthor/A3H57URKQB8AQO/ref=cm_pdp_content_listmania/203-7606506-5721503.

SB3, SB Touch
SqueezeDroid for Android

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Wombat

Toy Maker;637046 Wrote: 
> No...  Not at all... My "Golden Ear" Audiophile buddy, says he will
> be able to hear the difference. He says the Transporter can not
> reproduce a ripped CD to where he cant tell the difference.
> I plan to prove him wrong.
What started at a very interesting point will vanish in tales. To bad!


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Toy Maker

No...  Not at all... My "Golden Ear" Audiophile buddy, says he will
be able to hear the difference. He says the Transporter can not
reproduce a ripped CD to where he cant tell the difference.
I plan to prove him wrong.


-- 
Toy Maker

(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng
And more toys than any one person should be aloud to own.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Wombat

Toy Maker;637042 Wrote: 
> Again, the test is going to be redbook CDs ripped using EAC to raw wav
> files.
> 
Like millions of Squeeze users do all day long. They rip with EAC and
enjoy. What do you want to prove then? EAC is not working?


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Toy Maker

Damn screwed all that up, and the forum doesn't let you go back and edit
your posts  Sorry, iPads SUCK for typing on.


-- 
Toy Maker

(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng
And more toys than any one person should be aloud to own.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Toy Maker

Again, the test is going to be redbook CDs ripped using EAC to raw wav
files.
Both th cdp and the Transporterwill be wired to a preamp using 2 of the
same digital cables, letting the preamp do all the DAC for both head
units.

We lwill video take the testing, and probably post it on YouTube
sometime after Sep.

Does anyone else know anyone that has done this test, and what the
outcome was?


-- 
Toy Maker

(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng
And more toys than any one person should be aloud to own.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread ralphpnj

Wombat;637015 Wrote: 
> Indeed there are many Hires releases where a better sounding Redbook
> version is around.

True but not what I meant by "surprised". I meant that the Transporter
playing back high resolution files will sound very good and that it
will be nearly impossible to tell the difference between the
Transporter and a similarly priced, i.e. not a mega-buck,
SACD/DVD-Audio disc player also playing a high resolution, i.e. SACD or
DVD-Audio, disc.


-- 
ralphpnj

Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
Transporter 2 (oops) -> Touch

'Last.fm' (http://www.last.fm/user/jazzfann/)

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Wombat

ralphpnj;637014 Wrote: 
> If not then I suggest that the Transporter's analog output when playing
> back a high resolution digital audio file be directly compared to the
> analog output of an SACD/DVD-Audio player playing back the same high
> resolution material sourced from a little sliver disc. I think that
> you'll be pleasantly surprised at the results.

Indeed there are many Hires releases where a better sounding Redbook
version is around.


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread ralphpnj

Wombat;637005 Wrote: 
> There is no way in ripping the data from a SACD and compare them with
> playinbg back its digital data against PCM on any device. Only way to
> get SACD digital PCM data is grabbing the data from a modified
> SACD-Player that converts the DSD data from the SACD to PCM in the
> unit. This isn´t the best but the only method i know of. Maybe using 2
> of these players then at once, one playing the SACD and the other
> Redbook or DVD-A? No one will be able to tell you if the data has the
> same source then or the master alone is different, not the format...
> Of cause you can buy so called "Studio-Masters" PCM from HDtracks that
> are nothing else but converted DSD to PCM data that once was sold as
> SACD. They don´t tell you on what recordings it is that way! :)
> 
> So better leave that comparison out this time. If there is a solution
> at all it will be way to complicated to perform a valid test.

You're correct in that there is not a good way to rip high resolution
files from a SACD but hi-rez files can be easily ripped from DVD-Audio
discs using DVD Audio Extractor. The only thing I'm not sure of is if
there are any DVD-Audio players with digital outputs which support high
resolution digital output. If not then I suggest that the Transporter's
analog output when playing back a high resolution digital audio file be
directly compared to the analog output of an SACD/DVD-Audio player
playing back the same high resolution material sourced from a little
sliver disc. I think that you'll be pleasantly surprised at the
results.


-- 
ralphpnj

Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
Transporter 2 (oops) -> Touch

'Last.fm' (http://www.last.fm/user/jazzfann/)

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Wombat

Toy Maker;637002 Wrote: 
> 
> I didn't know I could do the same test with SACDs..  I don't own any,
> but I know the guy I am putting up to the test does. I will look into
> ripping them as well. What software do you need to rip an SACD?
> 
There is no way in ripping the data from a SACD and compare them with
playinbg back its digital data against PCM on any device. Only way to
get SACD digital PCM data is grabbing the data from a modified
SACD-Player that converts the DSD data from the SACD to PCM in the
unit. This isn´t the best but the only method i know of. Maybe using 2
of these players then at once, one playing the SACD and the other
Redbook or DVD-A? No one will be able to tell you if the data has the
same source then or the master alone is different, not the format...
Of cause you can buy so called "Studio-Masters" PCM from HDtracks that
are nothing else but converted DSD to PCM data that once was sold as
SACD. Of cause they don´t tell you on what recordings it is that way!
:)

So better leave that comparison out this time. If there is a solution
at all it will be way to complicated to perform a valid test.


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread Toy Maker

Well, I only own a pair of SB3s and a Transporter...  So that's what I
have to run the test...
Yeah, I know about bypassing the Transporters DAC.. Otherwise you are
just comparing DACs, and that is not the test at all.
I want the most complete file possible for the test.. FLAC files would
probably be just fine... But these guys are ANAL, and I want to avoid
any possible chance of them hearing ANY difference.
I didn't know I could do the same test with SACDs..  I don't own any,
but I know the guy I am putting up to the test does. I will look into
ripping them as well. What software do you need to rip an SACD?

Sorry guys, I know its a Transporter SE, I just call it a "2"...  
Sorry.
Ant what's with the lame aluminum round puck they replaced the knob
with They didn't even line up the grain pattern...  Pffft.
I'm also replacing the rack handles with BLACK ones :). Then it will
match all my other Carver gear.

Yeah, in page 4 of the thread, I posted this...

I plan on using a Proceed digital preamp
I've had it for about a year and a half.  I used it for a while before
we got the Silver-1 installed.
I have to say, that preamp is DAMN NICE...  
One of the coolest things about that preamp is the ability to make ANY
input/output on the back run off ANY button on the front  :shock: 
So say you want Digital input #5 as your main source, because that's
the one you use 90% of the time..
You can program the preamp, so Source #1 on the front panel, is
actually input #5 on the back... and so on. Pretty cool feature.
It's also nice that it's 7.1 if you want a nice small HT setup
connected as well.
I pretty much just used it in 2.1 while I had it hooked up. (pretty
sure it's dual zone too)  :-k 

If you don't have a problem going over to the (REALLY DARK SIDE), and
going "Digital" it's a really nice preamp !!!
I can't say a single bad thing about the preamp itself.
The remote is lacking a little, as it only has 12 buttons, but they do
pretty much everything you'd ever need.

Surprisingly enough, when I started talking about it yesterday, I did a
little more reading, and found out that there was a "software upgrade" a
while back..
Called up tech support last night, and they emailed me the files
today...  Damn good service still !!  =D> 

> The digital section of the AVP uses Burr Brown 1702 20-bit Multibit DACs
> for the left and right channels and 1-bit, 24-bit compatible AKM
> Delta-Sigma DACs for the center, surround, aux and subwoofer channels.
> *A dealer-provided software update will be available in the near future
> to get your AVP ready for the 24-bit 96 kHz performance.*

For the current used prices ($400-600) it's a damn good deal, and a
REALLY high-end Preamp.
It helped that I got mine in a package deal, and after I sold a couple
other items, it wound up being free  \:D/ 
Can't go wrong with free.

Not too hard to look at either

[image:
http://i20.photobucket.com/albums/b227/busterkeatonrules/AVP1.jpg]

[image: http://www.bjorn.tornroth.net/img_L//Proceed_AVP2_rear.jpg]


-- 
Toy Maker

(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng
And more toys than any one person should be aloud to own.

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread ralphpnj

Toy Maker;636892 Wrote: 
> I just thought you guys might be interested in an ongoing "contest" of
> the "Golden Ear"
> I am the owner of CarverAudio.com and we have an annual audio fest in
> Sep. every year. 
> For the past 3 years, I have claimed that "If set up correctly FULLY
> DIGITAL" you will not be able to tell an EAC file played through a
> Transporter, and the original CD it was ripped from. 
> Well this year, all the toys are in place to run a fair test. I opened
> and setup my Transporter2 today, and I hear an AMAZING difference from
> my old Squeezebox3. 
> Has anyone ever done this test, and what were the results?
> 
> Here is the thread on my forum, overviewing the test, and how we plan
> to run all the equipment.
> http://carveraudio.com/phpBB3/viewtopic.php?f=151&t=14068
> 
> PS, this is my living room, so I like to think I'm in the "Audiophile"
> legue, well at least a little maybe ;)

I read through a good deal of the referenced thread and here are some
observations:

1) Do not use the internal DAC of the Transporter running directly into
a power amp, i.e a set up with no pre-amp. In this type of set up the
volume would be controlled by the Transporter and would be operating in
the digital domain. The only way to ensure bit perfect playback of the
wav file being played by the Transporter is by having the volume fixed
at 100%.

2) Why use a Transporter? Why not use a Squeezbox Touch's digital
output?

3) Why use wav files? Why not convert the wav files to flac files? Now
this would be a real test, a test that the Transporter (or Touch)/flac
combo should pass with flying colors.

4) The external DAC used should have at least two independent inputs,
e.g. coax and optical, and the ability to remotely switch between the
inputs. That way the Transporter can be connected to one input and the
digital output of the CD player/transport connected to the other
input.

and finally

5) Why limit the shootout to redbook CDs and CD resolution
(16bit/44.1kHz) files? Both the Transporter and the Touch can handle up
to 24bit/96kHz resolution files so make part of the test be between
DVD-Audio and SACD playback versus high resolution wav/flac file
playback.


-- 
ralphpnj

Lock, Stock and Two Smoking Barrels -> Snatch -> The Transporter ->
Transporter 2 (oops) -> Touch

'Last.fm' (http://www.last.fm/user/jazzfann/)

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread andynormancx

Make sure you have got AccurateRip setup and working in EAC and you are
using discs in the AccurateRip database.


-- 
andynormancx

Yes, it will. Yes, all of them. Yes, SoftSqueeze as well. What ?
I SAID ALL OF THEM !

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Re: [SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-18 Thread andynormancx

What is a Transporter2 ? As far as I am aware there has only ever been
one Transporter (discounting the Transporter SE that is just the same
with the knob removed).


-- 
andynormancx

Yes, it will. Yes, all of them. Yes, SoftSqueeze as well. What ?
I SAID ALL OF THEM !

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[SlimDevices: Audiophiles] Transporter EAC vs. CD audio... Throwing Down the Gauntlet !!!

2011-06-17 Thread Toy Maker

I just thought you guys might be interested in an ongoing "contest" of
the "Golden Ear"
I am the owner of CarverAudio.com and we have an annual audio fest in
Sep. every year. 
For the past 3 years, I have claimed that "If set up correctly FULLY
DIGITAL" you will not be able to tell an EAC file played through a
Transporter, and the original CD it was ripped from. 
Well this year, all the toys are in place to run a fair test. I opened
and setup my Transporter2 today, and I hear an AMAZING difference from
my old Squeezebox3. 
Has anyone ever done this test, and what were the results?

Here is the thread on my forum, overviewing the test, and how we plan
to run all the equipment.
http://carveraudio.com/phpBB3/viewtopic.php?f=151&t=14068

PS, this is my living room, so I like to think I'm in the "Audiophile"
legue, well at least a little ;)


-- 
Toy Maker

(2) Squeezebox3's - (1) Transporter2 - 7TB Acer Home Server - iPad -
iPeng

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