Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread P Floding

Ron Olsen;176009 Wrote: 
 And some more words of wisdom about what's important in sound quality:
 http://www.biline.ca/critic1.htm

This way of looking at everything in black and white (good guys vs. bad
guys) is indicative of some kind of condition. Perhaps AS, which, of
course, has a large spectrum of symptoms and degrees of severity:

http://en.wikipedia.org/wiki/Asperger_syndrome

The would would be a much more boring place without such people.


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Re: [SlimDevices: Audiophiles] plug and play linear supply (part 2)

2007-01-31 Thread P Floding

opaqueice;175930 Wrote: 
 That's a good point - that hadn't occurred to me.  EMI in the range from
 20kHz - 40kHz would be inaudible added to the analogue output, but
 jitter at that frequency could intermodulate with the digital signal to
 produce audible distortion.  For example 25kHz jitter can produce 10kHz
 noise when a 15kHz signal is being played.  (Note that jitter 40kHz
 has no effect, assuming 20kHz is the threshhold for human hearing.)
 
 For this to work as an explanation you need the EMI from the switcher
 to be concentrated mostly above 20kHz, which isn't consistent with the
 measurements in the thread Skunk linked to.  But still, it's an
 interesting idea...  what DAC do you use?
 
 Thanks for the interesting comment.

Re-reading your post I have to wonder what the 40kHz limit comes from?
There is no hard limit to what HF can be down-mixed into the audio-band
by way of modulating the DAC clock. (There may be actual limits for each
particular design depending on the circuit properties.)


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Re: [SlimDevices: Audiophiles] SB3 Classical FLAC 96k/24b

2007-01-31 Thread MrStan

Yes I have the original release of the Norrington and it is very good.

I have my doubts about these so-called hi-def transfers. They don't
seem to be using original Master tapes as the owner states he is trying
to get Studio Masters for the future. In particular the excerpt of the
Saint-Saens third symphony is stated as coming from a 4 track tape. I
have the original Vinyl of this recording and the recording is clean
therefore I was a little surprised when turning up the volume to hear a
vary slight tape whine in the background on the FLAC release. 

This was an experimental EMI Quadraphonic release and it is possible
that EMI released some 4 track tapes in the US but I suspect that these
could have been produced using High Speed copying methods. While these
tapes are free from the crackle and pop that Vinyl accumulates through
the years they do suffer from other defects including Dolby Noise
Reduction.

Beware of any recordings from the middle of the seventies. There was a
bad batch of magnetic oxide coating around during this period and it
drops off like dandruff. Many tape masters have been rendered useless
because of this, some have been re-released onto CD's but the
recordings are only a shadow of the originals.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread ceejay

But surely all of us that hang out on this and other similar fora are by
definition displaying AS tendencies?

It would certainly explain some of the exchanges here...

Ceejay


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread jmourik

Well, at least, in typical American fashion, it will give us something
else but ourselves to blame for our behaviour. 
I like this one too: http://en.wikipedia.org/wiki/Fat_virus

ceejay;176086 Wrote: 
 But surely all of us that hang out on this and other similar fora are by
 definition displaying AS tendencies?
 
 It would certainly explain some of the exchanges here...
 
 Ceejay

Slim Devices Rules! Everybody else drools!!!

jan


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Re: [SlimDevices: Audiophiles] Buffering on the SB3

2007-01-31 Thread ezkcdude

Listener;176010 Wrote: 
 About 24 years ago, I worked with a guy who often referred to something
 insignificant as mouse nuts.  I never understood whether it referred
 to the mouse's food or his anatomy.  Do you know?
 
 This unanswered question has stayed with me for all those years.
 
 Bill

I was wondering what this meant. I think mouse nuts = something
insignficant (i.e. very small), and it refers to the anatomy. Someone
(will) correct me if I'm wrong.


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DIY projects page:
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System:
SB3-EZDAC-MIT Terminator 2 interconnects-Endler Audio 24-step
Attenuators (RCA-direct)-Parasound Halo A23 125W/ch amplifier-Speltz
anti-cables-DIY 2-ways + Dayton Titanic 10 subwoofer

He's not hi-fi, he's my stereo.

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Re: [SlimDevices: Audiophiles] plug and play linear supply (part 2)

2007-01-31 Thread opaqueice

P Floding;176058 Wrote: 
 Re-reading your post I have to wonder what the 40kHz limit comes from?
 There is no hard limit to what HF can be down-mixed into the audio-band
 by way of modulating the DAC clock. (There may be actual limits for each
 particular design depending on the circuit properties.)

The jitter will produce sidebands at x+-y, as I said above.  So if the
jitter is at a frequency x  40kHz, we need y  20kHz to make x-y
audible.  At least for CD audio (44.1kHz sampling rate) this can't
happen.


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Re: [SlimDevices: Audiophiles] Digital Coax - EH???

2007-01-31 Thread sfraser

mikeruss;170977 Wrote: 
 Nice reply ;-) I will take your advice
 
 Regarding Fibre and the internet - the reason it appears to be
 flawless is a thing called TCP, checksums etc (I.E error correction)
 not a good comparison.
 
 If you interested:
 http://www.tcpipguide.com/free/t_TCPChecksumCalculationandtheTCPPseudoHeader.htm
Actually there is a lot of sensitive nom IP traffic running on fiber
with no issues. 

The issue (if there is one) is not the fibre medium, but the framing
and clocking architecture that is used.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread P Floding

jmourik;176106 Wrote: 
 Well, at least, in typical American fashion, it will give us something
 else but ourselves to blame for our behaviour. 
 I like this one too: http://en.wikipedia.org/wiki/Fat_virus
 
 
 
 Slim Devices Rules! Everybody else drools!!!
 
 jan

Well, recent research points to obesity depending partly on individual
traits.

In addition, when the industry (even health oriented industry), and
the experts all say the wrong thing, sure people are going to get
fat.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread opaqueice

jmourik;176106 Wrote: 
 Well, at least, in typical American fashion, it will give us something
 else but ourselves to blame for our behaviour. 
 I like this one too: http://en.wikipedia.org/wiki/Fat_virus
 

Interesting idea...  way OT, but there's a principle (maybe that's too
strong a word) from evolutionary biology which says that any condition
that even slightly reduces your chance of having children (including
anything that increases your risk of dying young) can not be genetic
(unless it somehow confers a compensating benefit, i.e. sickle-cell
anemia).  One often-cited example is stomach ulcers, which contrary to
years of medical belief turned out to be caused by infection and could
be cured with antibiotics.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread tomjtx

jmourik;176106 Wrote: 
 Well, at least, in typical American fashion, it will give us something
 else but ourselves to blame for our behaviour. 
 I like this one too: http://en.wikipedia.org/wiki/Fat_virus
 
 
 
 Slim Devices Rules! Everybody else drools!!!
 
 jan

jan,
you should amend American to Republican fashion. 

We Democrats blame ourselves for everything :-)


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Re: [SlimDevices: Audiophiles] plug and play linear supply (part 2)

2007-01-31 Thread P Floding

opaqueice;176120 Wrote: 
 The jitter will produce sidebands at x+-y, as I said above.  So if the
 jitter is at a frequency x  40kHz, we need y  20kHz to make x-y
 audible.  At least for CD audio (44.1kHz sampling rate) this can't
 happen.

I'm sure 80kHz will fold right down into the audible spectra just as
well as 40kHz. As will 2MHz. It's the same effect as aliasing in any
sampled system.


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Re: [SlimDevices: Audiophiles] plug and play linear supply (part 2)

2007-01-31 Thread opaqueice

Well, here's a quote from
http://stereophile.com/reference/1093jitter/index.html:

 
 Analysis reveals that the larger the signal and the higher its
 frequency, the more it is corrupted by clock jitter. Further, it is
 shown that in multi-bit converters, jitter above 40kHz can't
 intermodulate with DC-20kHz input signals to produce DC-20kHz
 artifacts. In other words, only jitter with a frequency below 40kHz can
 degrade the audio signal. This is a very important point, and one on
 which this discussion is based.

On the other hand it seems to me thinking about it that what's relevant
is the jitter frequency mod the sampling frequency... in other words
jitter at say 45.1 kHz could produce sidebands at +-1kHz.


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Re: [SlimDevices: Audiophiles] Buffering on the SB3

2007-01-31 Thread sfraser

seanadams;176002 Wrote: 
 I think you are asking the wrong question here because you are confused
 about how TCP and buffering work. Case in point, it took me a moment to
 figure out that by m/s you meant milliseconds and not meters per
 second!
 
 Anyway, a 50ms delay is absolutely mice nuts. On wireless we routinely
 deal with that sort of variance in the normal flow of packets, not to
 mention a few percent of packet loss. Even if you could adjust the
 buffer size, I am not sure what that would help you to illustrate.
 
 Is there an alternative failure mode (for example a competing product
 which does not recover as quickly), where you would like to show that
 streaming does not perform as well? If you could describe what that
 failure looks like, maybe we could suggest a test to illustrate it.
 
 If you want to show the difference between, say, a 50ms outage and a
 250ms outage, then VOIP is probably the best thing to demonstrate. VOIP
 potocols, by design, sacrifice reliability in order to achieve real-time
 streaming with low latency. Squeezebox is the opposite - it plays from
 stored data which can be read into its memory as fast as the network
 will deliver it, even in a bursty manner, so the stream can continue
 even with heavy packet loss or a complete outage of several seconds.
 You couldn't make Squeezebox behave like VOIP just by reducing the
 buffer size, because TCP is *totally* different!

Sean I am sorry if i did not explain myself correctly, below is my
simplistic view. Please correct me if I am wrong. 

TCP is partially responsible to ensure  the data it receives from the
SS  is accurate and in the proper order and pass's it up to the next
layer. Lets say it drops the data into the music bucket If an errored
packet arrives at the SB it is discarded an another copy of a particular
packet is requested  from the SS .  The upper layers of the SB's 
software have the task  (among other things of course)to stream out
music leaking from the bottom of the bucket . Because the music has to
be delivered in a uninterupted fashion a certain  amount of buffer
space, or bucket content storing capability is built in to the SB to 
allow TCP time  to do it's thing during poor network conditions. 

If the bucket size  is to small or does not exist , and the network was
constantly congested or in a poor state (dropping packets) it would not
matter if TCP or UDP was used, the user would experience interuption in
the music. The goal is to never let the bucket go empty. TCP will ensure
what goes into the bucket is accurate, however the rate it fills the
bucket is dependant on the network, the SS and other things.

I would imagine you guy's played around with the buffer size, and
examined the characteristics of the various network medium etc. at some
point in time?

What I was hoping to do, (it appears I can't, but thats ok) is decrease
the SB buffer size, to a point that it cannot tolerate any packet drops.
Yes TCP will make sure what goes into the bucket is still accurate. 

Our network equipment uses very quick failure recovery mechanisms, and
has very deep queue's and sophisticated schedulers. By dialing back the
SB's buffering capabilities, I am putting the emphasis on our network
equipment to deliver the content with little or no  packet drops, and
very little latency. My plan was to congest the network with best
effort traffic, prioritise the music traffic and introduce failures
into the network, knowing that SS/SB current setup was tweaked in such
a way that it cannot tolerate interuption in packet flow. I can do this
all day long with a traffic generator, but seeing real life applications
such as music and video is sexy and sexy sells.

In a perfect world i would demonstrate the SB/SS working as intended in
stock fashion, then i could dial back the buffer size  to a point of
lets say 75-100 milli-seconds, congest and introduce network failures
and let the customer observe the results.

Thanks for your time


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Re: [SlimDevices: Audiophiles] Buffering on the SB3

2007-01-31 Thread seanadams

sfraser;176139 Wrote: 
 
 In a perfect world i would demonstrate the SB/SS working as intended in
 stock fashion, then i could dial back the buffer size  to a point of
 lets say 75-100 milli-seconds, congest and introduce network failures
 and let the customer observe the results.
 

I realize that's what you want to do, but it is not possible because
you are talking about a buffer size that is too small for TCP to
function even on a perfectly good network. Even below the application
level, the OS presents a receive window (buffer size) to the other
side which must be large enough to allow the sender to keep sufficient
packets in flight to achieve the required data rate and to enable the
fast retransmit algorithm. 

Packet losses are a _NORMAL_ occurrence for TCP. That is, in fact, the
mechanism by which TCP determines how fast it can send data. So if you
were to design a setup which fails on a single packet loss, I can
guarantee it will fail independent of whatever simulation you're
applying.

and we have barely scratched the surface yet... TCP is extremely
complex!  50ms is a very very small about of time as far as TCP is
typically concerned. It is so small that such an outage would be
practically impossible to detect at the application level. Isn't that
the whole reason why this is a selling point of the product?

With a VOIP stream (which is not at all like TCP) you would be able to
hear short outages - maybe not 50ms, but at 100-200ms you could hear
short clicks.


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Re: [SlimDevices: Audiophiles] Buffering on the SB3

2007-01-31 Thread sfraser

seanadams;176146 Wrote: 
 I realize that's what you want to do, but it is not possible because you
 are talking about a buffer size that is too small for TCP to stream
 audio even on a perfectly good network. Even below the application
 level, the OS presents a receive window (buffer size) to the other
 side which must be large enough to allow the sender to keep sufficient
 packets in flight to achieve the required data rate and to enable the
 fast retransmit algorithm. 
 
 Packet losses are a _NORMAL_ occurrence for TCP. That is, in fact, the
 mechanism by which TCP determines how fast it can send data. So if you
 were to design a setup which fails on a single packet loss, I can
 guarantee it will fail independent of whatever simulation you're
 applying.
 
 and we have barely scratched the surface yet... TCP is extremely
 complex!  50ms is a very very small about of time as far as TCP is
 typically concerned. It is so small that such an outage would be
 practically impossible to detect at the application level. Isn't that
 the whole reason why this is a selling point of the product?
 
 With a VOIP stream (which is not at all like TCP) you would be able to
 hear short outages - maybe not 50ms, but at 100-200ms you could hear
 short clicks.

Thanks Sean, I will keep looking for another application. As you aluded
to, this is like pushing a square peg in a round hole.

I did not think the TCP window size, would have a major impact here. I
would have network mechanisms to help alliviate the sliding window
(WRED)on prioritised traffic. 
As you can see I don't drag my head up past L3 to often, time to dust
off the TCP rfc's..

Cheers,


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Re: [SlimDevices: Audiophiles] plug and play linear supply (part 2)

2007-01-31 Thread P Floding

opaqueice;176138 Wrote: 
 Well, here's a quote from
 http://stereophile.com/reference/1093jitter/index.html:
 
 
 
 On the other hand it seems to me thinking about it that what's relevant
 is the jitter frequency mod the sampling frequency... in other words
 jitter at say 45.1 kHz could produce sidebands at +-1kHz.

I believe they are actually wrong there. Perhaps some information was
taken out of the article. I believe that jitter above 40kHz but _below_
Fs/2 (8*44/2 kHz for an 8 times oversampling D/A) will be surpressed as
it will be properly filtered out by the D/A. However, any jitter above
Fs/2 will again fold down, but some of it will, of course, fold into
the area which is filtered away).

I'll check to see if I can find some more info on this.

Interesting is the reasoning about one-bit DACs.

Then we have interface jitter, which will allow very high frequency
pollution to affect the clock. (Not the same as the jitter discussed
earlier in that article which is jitter introduced directly at the
clock.)


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Re: [SlimDevices: Audiophiles] Digital Coax - EH???

2007-01-31 Thread FatElvis2000

P Floding;171032 Wrote: 
 I'd just like to emphasize that a 3 meter (9 foot) cheapo might beat a 1
 meter (3 foot) $200 cable.

I work for a major manufacturer of consumer products.  We often test
products that technically do absolutely nothing, yet consumers perceive
benefits based on the marketing concept.  Perceptions are everything.

The only thing that often stops us are gov't regulations and, more
importantly, theats of lawsuits form competitors.  But no such regs on
cable manufacturers.  And the cable guys are careful to not make
competitive claims, lest driving consumer doubt and skepticism.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread 95bcwh

tomjtx;176131 Wrote: 
 jan,
 you should amend American to Republican fashion. 
 
 We Democrats blame ourselves for everything :-)

What's your proof that Democrats blame themselves for everything?

Have you not read the news everyday? Democrats only blame others for
everything.


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Re: [SlimDevices: Audiophiles] Digital Coax - EH???

2007-01-31 Thread snarlydwarf

SuperQ;171784 Wrote: 
 
 It's sad to seen when software developers don't understand the
 differences, and think UDP is faster, and end up re-implementing TCP
 error correction over UDP.  FTP is a good example of this because it
 uses UDP for data, even tho it has to verify that every block is
 copied.

FTP is braindead and stupid... but it doesn't use UDP.

It just has a lot of cruft: the MODE and PORT commands, for example, as
well as being downright hostile to attempt to firewall.


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Re: [SlimDevices: Audiophiles] Audiophile shops

2007-01-31 Thread FatElvis2000

thomsens;175554 Wrote: 
 
 
 Point is, I think they really like pulling the vinyl out of the sleeve
 and putting the needle down.  There is something to be said for that if
 it's what gets them going.


I think that's a big part of it.  The emotional connection is lost with
12,000 songs at one's immediate disposal.  Pulling out the vinyl,
cleaning the LP, droppping the needle -- complete with an intermission
mid-way through -- requires a certain committment to the specific album
in play.  

I have an LP player, but mostly for kicks.  Also because there is a TON
of material available, for cheap, at garage sales and swap meets.  Its
fun.  But I don't fool myself that it's somehow better than CD.  

Listening to the first half of Kind of Blue, on LP, is a different kind
of experience.


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[SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Deaf Cat

Often read how isolating feet help cdps but SB?

For example:
http://www.audiovisualonline.co.uk/dynamic/eshop_products.set/ref/410/ixos-306-sorbothane-feet-4-pack/display.html


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread tomjtx

Deaf Cat;176188 Wrote: 
 Often read how isolating feet help cdps but SB?
 
 For example:
 http://www.audiovisualonline.co.uk/dynamic/eshop_products.set/ref/410/ixos-306-sorbothane-feet-4-pack/display.html\

When Wayne of Bolder sent me the fullblown SB mods to audition he sent
me 2 ebony pucks to place under the SB.

I heard absolutely no difference. i suspect these things tweak your
mind more than the SB:-)


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread ceejay

So just which part of the SB would be affected by vibration, I wonder?

Ceejay


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Re: [SlimDevices: Audiophiles] Can anyone recommend a tube amp simpatico with SB3

2007-01-31 Thread MikeWynneDub

Damn! I so had my heart set on blue glowing tubes...


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Re: [SlimDevices: Audiophiles] Digital Coax - EH???

2007-01-31 Thread P Floding

FatElvis2000;176176 Wrote: 
 I work for a major manufacturer of consumer products.  We often test
 products that technically do absolutely nothing, yet consumers perceive
 benefits based on the marketing concept.  Perceptions are everything.
 
 The only thing that often stops us are gov't regulations and, more
 importantly, theats of lawsuits form competitors.  But no such regs on
 cable manufacturers.  And the cable guys are careful to not make
 competitive claims, lest driving consumer doubt and skepticism.

Different SPDIF coaxial cables often sound different. But the expensive
one may well sound worse than the cheap one. Of course, if one has payed
for a $200 cable one easily percieves it as sounding better..
(There are technical reasons for digital interconnects to sound
different.)


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread mauidj

FatElvis2000;175079 Wrote: 
 I've searched their archives for equipment I'm interested in, and they
 love everything.  Maybe help point me to some of the negative
 reviews...

What's with your need for negativity?
Does this prove something?

Stereophile reviews about 6-10 products a month and obviously would
rather review good stuff than bad.
So when asking for review samples they obviously pick products that
they alreay believe will be good ones.
Why would they do otherwise.
The point is to recommend good stuff not to spend all day pointing out
bad stuff.
Occasionally a writer will give a bad review. Sometimes a good review
is put into question by John Atkinson who does the measurements. It can
be very revealing of both the product and the writer.  Sometimes
products are received with faults and these are discribed in full in
the review.
So what's the problem?
I would rather read about good products than bad and as long as I have
an overall trust in the reviewer countered with some good measurements
I'm happy with that.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread opaqueice

mauidj;176222 Wrote: 
 
 Stereophile reviews about 6-10 products a month and obviously would
 rather review good stuff than bad.
 So when asking for review samples they obviously pick products that
 they alreay believe will be good ones.
 Why would they do otherwise.
 

Why would they do otherwise?  Because it would actually make the
magazine useful for something.  

When you're in the market for a new product, it's obviously very useful
to have objective comparisons between products.  Consumer reports, for
example, is good for that, as are (in some cases) consumer websites
like epinions.  Stereophile doesn't serve that purpose at all - since
all the reviews are positive, you have no way of distinguishing between
the products they've already reviewed (all good) or the ones they
haven't (bad?  just not reviewed yet?  who knows?).

It's ridiculous to think that they only review good products - how can
they know that in advance?  They must have truly amazing judgement to
only ever choose quality products.  If you want to learn something
about their judgement and integrity, read up on the Carver-Stereophile
lawsuit - it's pretty instructive (see for example
http://en.wikipedia.org/wiki/Bob_Carver#Controversy).


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread jonheal

I suspend mine over a high-pressure cushion of air. Of course I have to
turn the volume way up to drown out the roar of the blower.


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~~~
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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread opaqueice

I've glued a magnet to mine so I can levitate it over a superconductor. 
It's really annoying pouring liquid nitrogen in there all the time to
keep the superconductor cool, but hey, anything for good sound...


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread mauidj

opaqueice;176229 Wrote: 
 Why would they do otherwise?  Because it would actually make the
 magazine useful for something.  
 
 When you're in the market for a new product, it's obviously very useful
 to have objective comparisons between products.  Consumer reports, for
 example, is good for that, as are (in some cases) consumer websites
 like epinions.  Stereophile doesn't serve that purpose at all - since
 all the reviews are positive, you have no way of distinguishing between
 the products they've already reviewed (all good) or the ones they
 haven't (bad?  just not reviewed yet?  who knows?).
 
 It's ridiculous to think that they only review good products - how can
 they know that in advance?  They must have truly amazing judgement to
 only ever choose quality products.  If you want to learn something
 about their judgement and integrity, read up on the Carver-Stereophile
 lawsuit - it's pretty instructive (see for example
 http://en.wikipedia.org/wiki/Bob_Carver#Controversy).

Where are all you guys coming up with this 100% positive review stat?
It just is not true.
You are all asking for factual statements from this magazine yet you
detractors cannot prove your own facts.
Bit ironic don't you think!

Like I said, i am not in love with Stereophile...far from it.
But they do some good stuff and I do not have a problem reading
positive stuff!

And they are not Consumer Reports BTW...nor do they try to be.
Funny sice CR got so nailed recently for false reporting!


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread opaqueice

 Where are all you guys coming up with this 100% positive review stat?
 It just is not true.
 You are all asking for factual statements from this magazine yet you
 detractors cannot prove your own facts.
 Bit ironic don't you think!


Hmm - in your previous posting you seemed to agree their reviews were
overwhelmingly positive and were defending that practice.

In any case, I certainly don't read every review in Stereophile, but I
have ready quite a few and I've yet to see a negative one.  If you want
evidence, it's rather easy to find here:  http://www.stereophile.com/. 
I suspect if you search enough you'll eventually find something
approximating a negative one.

The closest I've seen was a tube amp which had massive distortion
(which they commented on in the measurement section), but even there
the reviewer actually liked the sound.  

Anyway, any magazine which favorably reviews $15,000 wires has zero
credibility.  Unforunately that seems to describe almost all audio
magazines these days...


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread adamslim

opaqueice;176229 Wrote: 
 Why would they do otherwise?  Because it would actually make the
 magazine useful for something.  
 
 When you're in the market for a new product, it's obviously very useful
 to have objective comparisons between products.  Consumer reports, for
 example, is good for that, as are (in some cases) consumer websites
 like epinions.  Stereophile doesn't serve that purpose at all - since
 all the reviews are positive, you have no way of distinguishing between
 the products they've already reviewed (all good) or the ones they
 haven't (bad?  just not reviewed yet?  who knows?).
 
 It's ridiculous to think that they only review good products - how can
 they know that in advance?  They must have truly amazing judgement to
 only ever choose quality products.  If you want to learn something
 about their judgement and integrity, read up on the Carver-Stereophile
 lawsuit - it's pretty instructive (see for example
 http://en.wikipedia.org/wiki/Bob_Carver#Controversy).

I think there's actually very little stuff that's genuinely bad.  Why
would a manufacturer make it?  Why would a dealer sell it?  All there
is is stuff that I like and stuff that doesn't really do it for me. 
Since you might like different things, it probably balances out.

So you need to find dealers, manufacturers and, yes, magazines and
reviewers that seem to be congruent with your taste, and then that
gives you useful guidance.  Until you have an idea of your own taste
and what the reviewers think of products you like, I think they're
useless.  If you haven't heard enough stuff yourself, they're all
useless.

If Stereophile match products to reviewers who will probably like them,
fine.  I'd normally be keen to see what another less 'aligned' reviewer
thought, but no big deal.  Have some idea of what you might like and
treat it all with a healthy dose of scepticism.

Adam


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread opaqueice

j.wales;176251 Wrote: 
 I havethe same noise - does not change with volume - but does change
 pitch with the brightness of the screen

Do you mean the SB volume or the amp volume?


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread j . wales

I havethe same noise - does not change with volume - but does change
pitch with the brightness of the screen


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread opaqueice

adamslim;176250 Wrote: 
 I think there's actually very little stuff that's genuinely bad.  Why
 would a manufacturer make it?  Why would a dealer sell it?  All there
 is is stuff that I like and stuff that doesn't really do it for me. 
 Since you might like different things, it probably balances out.
 

No offense intended, but I couldn't disagree with you more.  A huge
proportion of high-end audio products are total garbage, at least
from a price/performance point of view.  It's true a $15,000 wire will
conduct electricity, but so will a 10 cent wire, and so by any
reasonable standard the $15,000 version should get a very, very bad
review.  Instead the reviewers spout nonsense about speed, timing,
extension, etc., when in truth they'd be incapable of picking the thing
out in a blind test.  It's pretty despicable, really.

Here for example:

http://stereophile.com/cables/1206tara/index.html


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread Eric Carroll

The first principle is that you must not fool yourself — and you are
the easiest person to fool. So you have to be very careful about
that.
- Richard Feynman


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread j . wales

I leave the SB volume at 100 - regulate volume with pre-amp

I have read in other posts that 100 is the ideal setting if using SB3
as source only and not as a pre-amp

Also, I use the analog outs - thinking about inserting a DAC - does
anyone have the hiss using the digital outs?


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread Eric Carroll

I have the SB3 connected via digital out to my HT. 

I do NOT have the issue when using digital. I do have it on analog on
the same system.

My tone varies both by volume and pitch as brightness and density of
text on the display varies.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Speed

I find sky hooks very effective!!


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread jeffmeh

I have found that soap and water applied fairly regularly alleviates the
need for isolating my feet.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

tomjtx;176192 Wrote: 
 \
 
 When Wayne of Bolder sent me the fullblown SB mods to audition he sent
 me 2 ebony pucks to place under the SB.
 
 I heard absolutely no difference. i suspect these things tweak your
 mind more than the SB:-)

Why am I not surprised? Why ebony in particular? I'd love to hear the
reason for that...

I mean, why not brazilian rosewood, or wenge or briar or myrtle, etc,
etc?


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread P Floding

Deaf Cat;176188 Wrote: 
 Often read how isolating feet help cdps but SB?
 
 For example:
 http://www.audiovisualonline.co.uk/dynamic/eshop_products.set/ref/410/ixos-306-sorbothane-feet-4-pack/display.html

Warning for the BS meter hitting the right end stop:

External vibrations are dissipated away from your components by
transferring the vibrations into a form of heat, undetectable to the
human touch.

Huh? A form of heat, undetectable to the human touch?
Jezzz..
I'd try some blue-tack if I was worried about resonances. The SB3 is
light enough to sit on blue-tack without pushing through. Or put it on
a pillow, just to see if you can hear a difference.

Resonances may or may not affect audio equipment, but the control, or
modification, of such resonances depend on many factors.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Deaf Cat

jeffmeh;176275 Wrote: 
 I have found that soap and water applied fairly regularly alleviates the
 need for isolating my feet.

:-D  


OK, I'm getting the general impressioni that apart from the wood ones
no one had tried any other material..dare I ask :-) 

I thought it was weard when I was strongly recommended them as I
thought my little SB had no moving parts to make any vibs.

- what about isolating it from other things that vibrate...? like the
floor?

Maybe I'll have to try a bit of my missis's rice pudding, sharp knife
and fork required, the cake would be too hard the birds have given up
now, even after all this rain.


Hm


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread ModelCitizen

tomjtx;176192 Wrote: 
 \
 
 When Wayne of Bolder sent me the fullblown SB mods to audition he sent
 me 2 ebony pucks to place under the SB.Do you think that Wayne sent them to 
 you as a joke or that Wayne thinks
that they do make a difference to the sound?
MC


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Now what?

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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Skunk

May I present the mother of all things squeezebox-supporting (If you can
deal with it's inherent evil).
http://www.encyclopediadramatica.com/index.php/SHAKTI_Stone


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread FatElvis2000

tomjtx;176192 Wrote: 
 \
 
 When Wayne of Bolder sent me the fullblown SB mods to audition he sent
 me 2 ebony pucks to place under the SB.
 
 I heard absolutely no difference. i suspect these things tweak your
 mind more than the SB:-)

Makes me wonder about Bolder mods


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread opaqueice

FatElvis2000;176289 Wrote: 
 Makes me wonder about Bolder mods

And the Bybee filters didn't?


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread Skunk

Eric Carroll;175570 Wrote: 
 
 There are three people in this forum who have noticed it so far.
 

I think you'll find there are more than that:
http://forums.slimdevices.com/showthread.php?t=24445
http://forums.slimdevices.com/showthread.php?t=26733


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread tomjtx

ModelCitizen;176281 Wrote: 
 Do you think that Wayne sent them to you as a joke or that Wayne thinks
 that they do make a difference to the sound?
 MC

LOL  no, unfortunately he was serious.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread tomjtx

FatElvis2000;176289 Wrote: 
 Makes me wonder about Bolder mods

In this case, wonderment is a wonderful thing and it will save you
wondering if you have wasted your money :-)


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread tomjtx

Eric Carroll;176261 Wrote: 
 The first principle is that you must not fool yourself — and you are
 the easiest person to fool. So you have to be very careful about
 that.
 - Richard Feynman

Eric,
great quote, if everyone followed that advice we would put a lot of the
snake oil salesmen out of business.


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread opaqueice

j.wales;176260 Wrote: 
 I leave the SB volume at 100 - regulate volume with pre-amp
 

So you're saying the hiss is as loud with the preamp volume at max as
it is with it at zero?  And that it's sensitive to the display
brightness?

That's  very odd.


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread P Floding

opaqueice;176304 Wrote: 
 So you're saying the hiss is as loud with the preamp volume at max as it
 is with it at zero?  And that it's sensitive to the display brightness?
 
 That's  very odd.  
 
 I've noticed that, while the buzz is much quieter with the amp volume
 turned down, it's not as low as you would expect.  With music playing
 and the amp volume down all the way I can just faintly hear the music
 (with ear right next to the tweeter), but can somewhat more easily hear
 the buzz.  With the volume up music is much louder than the buzz, but
 the buzz is louder than it is at zero volume.
 
 This would make sense if the buzz were due to noise in the amp rather
 than in the SB, but since it's correlated with the display it must be
 coming from the SB.  So I don't understand that either.

If I understand your description correctly, I deduce that your amp is
picking up the noise from the SB's display at a point after the amp's
volume control. How close to the amp is the SB? Have you tested
physically moving the SB?


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

P Floding;176301 Wrote: 
 I wouldn't dismiss the possibility that things like that can alter the
 sound of a component, in a particular setting.
 
 It could be something as simple as the distance from the component to
 some other component (a metal chassis, for example) changing, which may
 affect EM pickup.

But again, why ebony? Why not plastic or sorbothane (which would seem
to be much more appropriate)?


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread opaqueice

P Floding;176308 Wrote: 
 If I understand your description correctly, I deduce that your amp is
 picking up the noise from the SB's display at a point after the amp's
 volume control. How close to the amp is the SB? Have you tested
 physically moving the SB?

Yeah, I thought of that too, so I tried moving the SB - to no effect as
far as I could tell.  But the sound is so faint with the amp volume down
it's pretty hard to be sure.


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread P Floding

opaqueice;176314 Wrote: 
 Yeah, I thought of that too, so I tried moving the SB - to no effect as
 far as I could tell.  But the sound is so faint with the amp volume
 down it's pretty hard to be sure.

In that case the noise might be traveling on the interconnect, jumping
to some other internal trace/lead and finding its way past the volume
control. (I'm assuming now that it is confirmed that altering the
display's brightness alters the noise.)


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread opaqueice

P Floding;176317 Wrote: 
 In that case the noise might be traveling on the interconnect, jumping
 to some other internal trace/lead and finding its way past the volume
 control. (I'm assuming now that it is confirmed that altering the
 display's brightness alters the noise.)

Well, that wouldn't explain why it scales differently with volume than
music.  But on further investigation I think it's just that there are
two noise components - one which is correlated with brightness and one
which isn't (and part of that one is coming from the amp after volume
control).  With the amp volume all the way down, the effect of changing
the brightness is much smaller than when it's up, which fits with that. 
So it makes sense.

But j.wales results are pretty inexplicable.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread P Floding

totoro;176315 Wrote: 
 But again, why ebony? Why not plastic or sorbothane (which would seem to
 be much more appropriate)?

Cause it looks nice?

Annoyingly I just had to experiment with this now, and I seem to get
alterations in the sound. I have no idea why -or if it is just
imagination.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread jmourik

tomjtx;176131 Wrote: 
 jan,
 you should amend American to Republican fashion. 
 
 We Democrats blame ourselves for everything :-)
Ha, that was funny :-)

opaqueice Wrote: 
 any condition that even slightly reduces your chance of having children
 (including anything that increases your risk of dying young) can not be
 genetic
I like that, interesting. Sounds reasonable to me!
Oh, oops, on second thought it sounds too evolutionary. So it can't be
true. :-)

mauidj Wrote: 
 What's with your need for negativity? Does this prove something?
Like opaqueice, when I'm looking into some component to buy, like right
now a DAC, I want to see reviews that tell me something. If I look for
reviews on the Benchmark DAC1, they all say it's a very good DAC. Until
Lavry shows up, then I read Lavry is better. Can't the magazines do a
nice DAC shootout? I know, a lot is personal, I might prefer the DAC1
over the DA10, and somebody else might prefer the DA10. But maybe I
could learn something from a comparo like that. The reviewers could all
give their own opinion, like they do in Motorcyclist and SportRider
magazine...

jan


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Re: [SlimDevices: Audiophiles] Can anyone recommend a tube amp simpatico with SB3

2007-01-31 Thread SB2605

You should take a look at and listen to the PrimaLuna's from Upscale
Audio. Have had my Prologue 2 for some time now and really enjoy it.
Great design from Netherlands + Top notch build quality from China =
Great Value.

Good looks as well especially with the cage removed.

Good reviews on the site below as well.

Talk to Kevin Deal at Upscale. Good guy..will take care of you.

http://www.upscaleaudio.com/


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread P Floding

jmourik;176324 Wrote: 
 Like opaqueice, when I'm looking into some component to buy, like right
 now a DAC, I want to see reviews that tell me something. If I look for
 reviews on the Benchmark DAC1, they all say it's a very good DAC. Until
 Lavry shows up, then I read Lavry is better. Can't the magazines do a
 nice DAC shootout? I know, a lot is personal, I might prefer the DAC1
 over the DA10, and somebody else might prefer the DA10. But maybe I
 could learn something from a comparo like that. The reviewers could all
 give their own opinion, like they do in Motorcyclist and SportRider
 magazine...
 
 jan

They are all (mostly) good. The problem is that hacks have to write
something.. ;-)


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

Maybe, but did he try other types of wood? There are an awful lot of
tropical hardwoods, if hardwood is what's necessary (plus all kinds of
non-tropical ones, while we're at it). Plus, of course, things like
spruce and cedar, which are used as soundboards on stringed
instruments.

Just out of curiosity, are you using hunks of ebony, or something
else?

cheers,
M


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread P Floding

totoro;176337 Wrote: 
 Maybe, but did he try other types of wood? There are an awful lot of
 tropical hardwoods, if hardwood is what's necessary (plus all kinds of
 non-tropical ones, while we're at it). Plus, of course, things like
 spruce and cedar, which are used as soundboards on stringed
 instruments.
 
 Just out of curiosity, are you using hunks of ebony, or something
 else?
 
 cheers,
 M

I had some cones of some unspecified artificial (plasticky) material
laying around. The seem to have been cast from this material. I'm very
sceptical about it all, but I believe in trying everything to rule it
out before assuming things. Sure can throw up surprises -such as why
the f**k does LP outclass CD? (Which it certainly did some years
back.)


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Re: [SlimDevices: Audiophiles] Replay-gain and Amp clipping Question

2007-01-31 Thread CFP

Awesome, thank you for the feedback everyone.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Skunk

totoro;176337 Wrote: 
 Maybe, but did he try other types of wood? There are an awful lot of
 tropical hardwoods, if hardwood is what's necessary (plus all kinds of
 non-tropical ones, while we're at it). Plus, of course, things like
 spruce and cedar, which are used as soundboards on stringed
 instruments.

Wouldn't you want the opposite of a highly resonant species for a
speaker baffle or equipment support, or even piano key I suppose?  

I have an ebony fetish personally, and find it soothing to hold when
I'm at the wood store. Always been too cheap to buy any though :-)


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

P Floding;176338 Wrote: 
 I had some cones of some unspecified artificial (plasticky) material
 laying around. They seem to have been cast from this material. I'm very
 sceptical about it all, but I believe in trying everything to rule it
 out before assuming things. Sure can throw up surprises -such as why
 the f**k does LP outclass CD? (Which it certainly did some years
 back.)

I remember reading on a newsgroup recently that some of the early a/d
converters used by recording studios didn't dither, which was a real
problem. Supposedly, this had a bad effect on a lot of early cd
releases which were recorded using them.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

Skunk;176341 Wrote: 
 Wouldn't you want the opposite of a highly resonant species for a
 speaker baffle or equipment support, or even piano key I suppose?  
 
 I have an ebony fetish personally, and find it soothing to hold when
 I'm at the wood store. Always been too cheap to buy any though :-)

Yep, I would think so. I'd think for vibration absorbing, though, you'd
want something like sorbothane, rather than a really hard wood.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread P Floding

totoro;176343 Wrote: 
 I remember reading on a newsgroup recently that some of the early a/d
 converters used by recording studios didn't dither, which was a real
 problem. Supposedly, this had a bad effect on a lot of early cd
 releases which were recorded using them.

Yes, but that is like nothing compared to the sound quality (or lack of
it) of the early CD players.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

P Floding;176347 Wrote: 
 Yes, but that is like nothing compared to the sound quality (or lack of
 it) of the early CD players.

Ah. I didn't get a cd player until 92 or so, so I missed that phase.


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Re: [SlimDevices: Audiophiles] Transporter on the cover of Stereophile, Feb 2007 issue

2007-01-31 Thread jmourik

P Floding;176327 Wrote: 
 They are all (mostly) good. The problem is that hacks have to write
 something.. ;-)Yup, and people like me like to read it! I now have 
 subscriptions to TAS
and Stereophile. Why? Because I enjoy reading them and subscriptions are
cheap! I bought Stereophile last weekend, $6.99! The subscription is $10
for a year on Amazon. So I figure I'll probably buy two a year anyway,
so it's cheaper to subscribe and get them all...


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread muski

Have a look at the 'Associated Equipment' sidebar of the Transporter
review in the Feb 2006 of Stereophile and you'll see listed Ayre Myrtle
Wood blocks. (oh, Myrtle wood, not ebony.)

Given the article's bizarre opening metaphor, I was expecting polished
turds...


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread tyler_durden

totoro;176315 Wrote: 
 But again, why ebony? Why not plastic or sorbothane (which would seem to
 be much more appropriate)?

Isn't it obvious?  Ebony is the wood used to make the black keys on a
piano (at least, it used to be).  If it is musical enough for a piano,
it is certainly musical enough for an SB.

This is the same sort of nonsense that has some people at DIYaudio.com
trying to make heatsinks out of bronze and finishing the wood cases of
their home made electronics (yes, wood!) with violin lacquer.

All it takes is too little knowledge and someone to come along and
recognize and take advantage of it and voila! a new industry is born!

TD


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

Deaf Cat;176188 Wrote: 
 Often read how isolating feet help cdps but SB?

You mean something like this?
---Gary


+---+
|Filename: SB3_cones.JPG|
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=2337|
+---+

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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Skunk

totoro;176345 Wrote: 
 Yep, I would think so. I'd think for vibration absorbing, though, you'd
 want something like sorbothane, rather than a really hard wood.

Perhaps, but be prepared to lose a bit of image focus and bass
authority.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

Skunk;176373 Wrote: 
 I tried that with audio points (for a funny picture!), but couldn't
 balance the back bar.

You're assuming that I did this as a joke . . .
Not so fast.  I'm a bit reluctant to bring this up at all given the way
this board and thread seems to assume that tweaks of any sort can't work
even when most of the people writing have never even tried what they are
disparaging.
I actually have found that the Black Diamond Racing cones shown under
the SB3 make a difference.  They make a much bigger difference under
other equipment such as preamps and dacs and amplifiers so I'd be hard
pressed to say that they're a good investment under the SB3.  But they
do work.
Please, no notes telling me that I'm delusional or explaining how these
things can't work.  Don't waste the bandwidth until you've done some
experiments.  The willingness to draw conclusions without any
experimental work is amazingly unscientific.

Happy listening.
---Gary


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Skunk

tyler_durden;176370 Wrote: 
 
 This is the same sort of nonsense that has some people at DIYaudio.com
 trying to make heatsinks out of bronze and finishing the wood cases of
 their home made electronics (yes, wood!) with violin lacquer.
 

I'm afraid it's leeched into the general marketplace as well..
http://www.mother-of-tone.com/attraction.htm

It's very highly reviewed though (tpfic)


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread tyler_durden

Skunk;176376 Wrote: 
 I'm afraid it's leeched into the general marketplace as well...
 It's very highly reviewed though (tpfic)

I'd hardly call THAT the general marketplace.

I once saw some stuff about a vibration isolating table for tube
amplifiers that was filled with sand because the sand was harmonically
sympathetic (or some such nonsense) to the glass envelopes of the
tubes- both are composed of SiO2.  

One could easily get the impression that audophiles are a gullible
lot.

TD


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

GaryB;176375 Wrote: 
 Don't waste the bandwidth until you've done some experiments.  The
 willingness to draw conclusions without any experimental work is
 amazingly unscientific.
 
 Happy listening.
 ---Gary

Science is not done by people randomly trying stuff with no idea why it
would or wouldn't work. 

I've seen no technical explanation of why such a thing would work, nor
have I seen any mention of any studies which control for placebo
effects which indicate that it would. And a sighted evaluation with one
data point doesn't actually constitute an experiment, for reasons it's
just too tedious to rehash.

If someone wants to show that these things work in some kind of
rigorous way, more power to them. But until that happens, there are a
lot of people who will (justifiably) not take these things seriously.


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

totoro;176379 Wrote: 
 Science is not done by people randomly trying stuff with no idea why it
 would or wouldn't work. 

The scientific method has several steps:

1. Observe some aspect of the universe.
2. Invent a tentative description, called a hypothesis, that is
consistent with what you have observed.
3. Use the hypothesis to make predictions.
4. Test those predictions by experiments or further observations and
modify the hypothesis in the light of your results.

My objection to some of the discussions I've read to date is that
people skip the first step, meaning that they don't listen for
themselves.
Instead there is a tendency to doubt observations because people aren't
offering up reasonable hypotheses.  The fact that there aren't good
theories doesn't invalidate the observation of an experimental result.

Just my two cents.

---Gary


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Re: [SlimDevices: Audiophiles] Irritating whistle on right channel from SB3

2007-01-31 Thread Eric Carroll

Skunk;176295 Wrote: 
 I think you'll find there are more than that:
 http://forums.slimdevices.com/showthread.php?t=24445
 http://forums.slimdevices.com/showthread.php?t=26733

Skunk,

Words from the master, no less. Thanks for pointing it out.

Damn, I even looked for this using google and went through Sean's
postings one at a time.  Dunno how I missed it in the millions of
postings...

I think the key is Sean's comments in this post:
http://forums.slimdevices.com/showpost.php?p=113762postcount=5 Sadly
the gif urls dont resolve anymore but I get the point.

I am surprised to see hear it is at -120dBr - my hearing is better than
I thought. But the good news then is that another -20dB attenuation on
order will help alot.

Mystery solved. I will write this up in a wiki page. make it a little
easier to find the collected wisdom of Sean.


-- 
Eric Carroll

Transporter-Bryston 3B SST-Paradigm Reference Studio 60 v.4
SB3-Rotel RB890-BW Matrix 805
SB3-Pioneer VSX-49TXi-Mirage OM7+C2+R2

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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Listener

ceejay;176190 Wrote: 
 So just which part of the SB would be affected by vibration, I wonder?
 
 Ceejay

Dancing feet under the SB should help with PRAT.

Bill


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread Skunk

GaryB;176375 Wrote: 
 You're assuming that I did this as a joke . . .

I can't deny that, what with the lack of wires etc.

No disrespect was intended though. Considering how well you know your
way around the inside of the Sb, I wouldn't discount your opinion on
any tweak.

FWIW, I do own the audio points...


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread opaqueice

GaryB;176381 Wrote: 
 The fact that there aren't good theories doesn't invalidate the
 observation of an experimental result.
 

But you see, there is a perfectly good hypothesis, backed by centuries
of scientific theory and experiment, that explains the result you
reported above.  It's got nothing to do with audio or physics and
everything to do with psychology, but that doesn't detract at all from
its explanatory power.

Suppose someone told you your music would sound better if you wired
$100 to his bank account.  Would you feel compelled to try it before
passing judgement?

There are always a large number of possible explanations for any
observation.  The way we make progress is by investigating the most
plausible, meaning the simplest and most consistent with our knowledge.
If we tried to investigate every possible explanation, including those
ruled out by past experiments, we'd never get anywhere.  

You haven't presented any credible evidence that there's an effect
here.  Please don't be offended, but the fact that you think you heard
something isn't very meaningful (because it can be explained by
psychology, and this is an extremely well-documented and known effect).
If on the other hand you presented some hard evidence, like a
double-blind test result or a measurement, the psychological
explanation would no longer be adequate and the claim would be taken
more seriously.  Until then, it would be a waste of time for anyone to
investigate.


-- 
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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

tyler_durden;176370 Wrote: 
 This is the same sort of nonsense that has some people at DIYaudio.com
 trying to make heatsinks out of bronze and finishing the wood cases of
 their home made electronics (yes, wood!) with violin lacquer.
Gee Tyler,
I like building electronics in wood boxes.  It's easier to work with
wood than with metal and it looks better.  Below are pictures of my
homebrew gainclone amplifier.  Sounds pretty good if I do say so
myself.
---Gary


+---+
|Filename: Back.jpg |
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=2339|
+---+

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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread totoro

GaryB;176394 Wrote: 
 Gee Tyler,
 I like building electronics in wood boxes.  It's easier to work with
 wood than with metal and it looks better.  Below are pictures of my
 homebrew gainclone amplifier.  Sounds pretty good if I do say so
 myself.
 ---Gary

That's a nice looking amp. Nothing wrong with making things pretty. And
I don't doubt that it sounds really good.  

But you didn't claim it sounds better _because_ it's in a wood box
rather than a metal one in your post. I think that was more what tyler
was getting at (I could be putting words in his mouth, but his comments
made me think of the Infamous Knob of Death).

BTW, you've done a great job of keeping the tone of this discussion
reasonably civilized, IMHO.


-- 
totoro

squeezebox 3 - mccormack dna .5 - audio physic tempo 4

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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

opaqueice;176390 Wrote: 
 You haven't presented any credible evidence that there's an effect here.
 Please don't be offended, but the fact that you think you heard
 something isn't very meaningful (because it can be explained by
 psychology in a way that's extremely well-documented and established as
 a fact).

I think the difficulty I have with the whole double blind line of
argument is the assumption that on one's own there will be tendency to
hear differences because one has spent money on a tweak and one expects
to hear a difference.

I actually think that I have a natural bias against tweaks.  I'm a
cheapskate and don't like spending money on expensive audiophile gear. 
That's why I do so much DIY and modification of gear.  So I go into
listening tests expecting to hear no difference.  But I often do hear a
difference and while I can't always explain why I hear a difference, I
am pretty confident that the difference exists.  

I'm not asking anyone to spend money since I am not in the audio
business and have nothing for sale.  I'm just suggesting that one
listen for oneself.  I'd be glad to let people listen to my stuff if
they're interested in hearing what I hear.

---Gary


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Re: [SlimDevices: Audiophiles] Any one tried isolating feet on their SB ?

2007-01-31 Thread GaryB

totoro;176397 Wrote: 
 But you didn't claim it sounds better _because_ it's in a wood box
 rather than a metal one in your post. I think that was more what tyler
 was getting at (I could be putting words in his mouth, but his comments
 made me think of the Infamous Knob of Death).
 
 BTW, you've done a great job of keeping the tone of this discussion
 reasonably civilized, IMHO.

Totoro,
Thanks for the kind words about the tone of the discussion.

Regarding Tyler's meaning, I took his parenthetical comment (yes
wood!)  to mean that he thought it ridiculous that anyone would build
electronics in a wood case.  

Tyler, please jump in if I got that wrong.

---Gary


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