Re: [SlimDevices: Audiophiles] Power supply A/B

2008-05-23 Thread roll - gybe

i'm sorry, i didn't want to turn it into this.  i guess it usually
happens...


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Re: [SlimDevices: Audiophiles] Power supply A/B

2008-05-20 Thread roll - gybe

cliveb;302142 Wrote: 
 Having established that you preferred the SB3 with the Elpac, you should
 then have swapped the power supplies on the two SB3 and redone the
 comparison. It strikes me as entirely plausible that sample variation
 between the SB3s could be at least as large as any difference due to
 the power supplies.

True, but for now this game is over!  If I ever find myself in the
position of needing a 4th SB3 for an application more demanding than my
primary system, perhaps I will run this trial again.  Or not!  


iPhone - sorry about the potential paradox.  I wouldn't want to do
something stephen hawking might disapprove of...


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[SlimDevices: Audiophiles] Power supply A/B

2008-05-14 Thread roll - gybe

I just hooked up 2 SB3s to my main system.  One with an Elpac and one
with stock.  Just for the hell of it (please refer to this statement
when you want to tear me apart!)

I did notice that they sounded different.  Source material: Norah
Jones, Steely Dan, Larry Coryell.

It took me a while (like 30 mins) to see what was going on.  Of course,
they both sounded fine, but I wanted to see if I could identify the
specific differences.  My first thought was the Elpac was producing a
blacker background.  My second thought was that the stock sounded
pretty good.

I began to enjoy the stock.  It seemed like there was more information
present, but eventually I began to think it was bright.  The problem
was, it seemed to present more information.  So I started to identify
instruments in my A/B.

There it was.  The soundstage with the Elpac was wider.  The soundstage
with the stock was more congested.  All the information was present, it
was just better spread out.  The stock seemed to grab my attention with
more concentrated music, but once I identified the issue, I liked the
Elpac better.  The stock seemed louder in comparision after I figured
it out.

I had a similar experience A/B-ing my high powered amp and my $300
yammy receiver...  They both sound good, but there were small
incremental differences that I slowly identified and around which I
generated preferences. But now that I know the differences, I can spot
them. (yes the big ol amp won out.)

So the stock is now back in the bedroom, happily powering a great
sounding pair of eras and the Elpac is in the main system.

BTW - I got the Elpac with a 3rd used SB3.  I had no intention of
getting it.  I just ended up with it.  I am not going to recommend
anyone go get an upgraded power supply.


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Re: [SlimDevices: Audiophiles] Power supply A/B

2008-05-14 Thread roll - gybe

sorry - that would have helped.  i got carried away...

analog outs.  both units playing the same playlist.  both at 100%
volume into different inputs of a musical fidelity a5 integrated.


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Re: [SlimDevices: Audiophiles] Power supply A/B

2008-05-14 Thread roll - gybe

yes.  make it a dbt.

however, if i enlist my wife, then she will have good cause to think
that i am nuts.

if i bring in some strange gnome to change the inputs, then she will
have good cause to think that i am nuts.


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-03 Thread roll - gybe

Ron Stewart;264883 Wrote: 
 How about flatter frequency response?
 
 Take a look at SB3's frequency response as measured by Stereophile:
 http://www.stereophile.com/digitalprocessors/906slim/index3.html
 (Figure 1). Note how the response gradually falls below 600 Hz.
 
 Compare that to Stereophile's measurements of the popular Benchmark
 DAC1: http://stereophile.com/digitalprocessors/108bench/index4.html
 (Figure 1). The DAC1's response is noticeably flatter.
 
 It seems like those response differences might be audible, and might
 account for some of the improvements people have reported with external
 DACs.
 
 Ron


Interesting!


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-03 Thread roll - gybe

So how many people have purchased a $1000+ DAC with a refund policy, A/B
tested it, and sent it back?


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-03 Thread roll - gybe

haraldo;265281 Wrote: 
 The question of frequency response... Has been answered by Sean
 previously
 This may possibly be audible as the SB3 having very slightly less bass
 weight Audible? Possibly?
 
 This is not what makes the difference between the SB3 and the DAC1, the
 DAC1 is a totally different animal and just comparing the two doesn't
 make sense.


Ok, here is where I need a little help.  Why can't I make a
comparison?

I am really not trying to refute, I am just trying to get it


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-03 Thread roll - gybe

autistic - that's humorous...

I know the audiophile arguement - I can be guilty at times...


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[SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-01 Thread roll - gybe

I know this has been discussed many times, but I am specifically
interested in the reasons why using an external DAC with an SB3 might
yield an advantage.

I'm not really interested in what different people might hear.  I
respect those thoughts, but I'm looking to investigate a different set
of responses.

For instance some types of responses that would be helpful:

-A second power supply will do this, and this will help improve
that

-The chip in the SB3 DAC doesn't hold up to advancements made that are
present in another chip.

I'm not an engineer, so I think some of this has been covered in
technical terms and some of it has been covered in subjective sonic
terms.  I'd really like to get the facts and be able to understand it! 


Thanks guys


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-01 Thread roll - gybe

Right, I got that part...
I appreciate your contribution, but I really think there is more to the
issue.


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Re: [SlimDevices: Audiophiles] External DAC - what are the specific advantages?

2008-02-01 Thread roll - gybe

good thoughts.  i think some of you guys catch my drift.  
By way of background, I have 3 systems with decent mid-fi speakers
running flac and homeplugs.  

One system has a killer amp in case I ever upgrade.  SB3 linear psu -
Musical Fidelity a5 - Swan 6.1 (recently demoed Thiel 3.6s and didn't
think there was much improvement).  Very bright/huge room, have to deal
with a rear wall.  Analog.

One system is a 5.1 with a receiver - mantown, so I end up listening
down there a lot.  SB# - Yamy - Vandy 1.  2500cft, with an open rear. 
Coax

One system is a bookshelf bedroom system with some era 4s.  Damper
room.
Analog

I understand I can color the sound with components, but so much has to
do with the room.  When people say that the image is better or the
soundstage is larger with a larvy or benchmark, is that just
coloration?  Or are the components superior?

If the components are superior, then why?

I am not trying to tear down any arguments - I'm trying to justify
going down this route more than anything, and I would really like to
add some objective information.  

I do believe there are sonic differences in gear.  I've tried the MF
amp in the other rooms and it is more laid back in the mids and way
tighter in the bass.  So, I totally appreciate that you have to try
gear and listen to it.  

It's just that there are a lot of ways to make your music sound
different, and they don't all cost a grand.


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Re: [SlimDevices: Audiophiles] Help playing m4a not mp3 files

2007-11-14 Thread roll - gybe

someone suggested this to me a while ago and it worked.
uncheck everything in itunes and just check the lossless.  make sure
you don't have any active playlists.


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