Re: [SlimDevices: Audiophiles] Strange problem with 48kHz material

2012-11-20 Thread Stratmangler

Upgrading LMS to something more current might help.



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Re: [SlimDevices: Audiophiles] Strange problem with 48kHz material

2012-11-20 Thread Mnyb

+1 Try more current LMS and player fw ! ( if it/was a bug it could have
been fixed ages ago and everyone have already forgot about it ) ,

I have no trouble running 48khz or 96khz or 44.1 or 88.2 

What are the file formats involved ? If you haven't try flac , this is a
good baseline and no weird settings in file types .

Also the wifi strength at 50% and 38% does not look good to me , if any
kind of transcoding is involved it should be to flac ,not PCM to
conserve bandwith .



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

Mnyb wrote: 
 in fact all the reasoning you cited (cant find that post ) is clearly
 the usual spiel from someone who actually don't understand the sample
 theorem and is influnced by audiophile beliefs .

Yes - the next thing he will be claiming is that you get a clearer and
shinier sound by using USB cables with silver instead of copper wires.
A lot of old-school audiophiles don't understand digital technology, but
still apply their analog-age beliefs to digital.

 The usual audiophile myths is that time resolving is limited to 1/44.1
 for CD this is not true ,just look at the reconstructed analogue signal
 it looks continues to me and will be identical to to the original
 -bandwidth limited- signal.

I still hurt from the bad beating I got on Computer Audiophool when I
tried to explain that, even using waveform plots...



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

Julf wrote: 
 Yes - the next thing he will be claiming is that you get a clearer and
 shinier sound by using USB cables with silver instead of copper wires.
 A lot of old-school audiophiles don't understand digital technology, but
 still apply their analog-age beliefs to digital.
 
 
 
 I still hurt from the bad beating I got on Computer Audiophool when I
 tried to explain that, even using waveform plots...

:)

And this used to be a nice hobby and past time , something really bad
happened a couple of decades ago .

Most things that people read about audio these days comes from these
kinds of cult sources , so it is a good idea to piont out whenever this
happens and at least try to separate the issue from the person ( they
migth not know better ) but that is hard .

What did you call them  confused audiophool instead of computer
audiophile :) it is hard to not ridicule .
But they are not open to real arguments as any pseudoscience like
homeopathy etc .
If they do some simple blind tests and listen to sane arguments they
would understand that they are indeed wrong on most occasions ,but no do
they .
All kinds of audiophile arguments follow the same lines as any
pseudoscience like  there are things that you can't measure  and  it
is not possible to understand everything  and  I just know that it is
working but cant explain why  blatantly ignorant about that it was
debunked properly decades ago... So today the audio hobby is a
pseudoscience just like alternative medicine .

A proof of that is the absolute sounds effort to spread the myth that
blind testing does not work ! this is typical of pseudosciences that any
kind of proper testing would ruin the result , the spirits won't come if
you try to photograph them etc :)

Kudos to such person as the late Peter Walker of QUAD , that in the
ELS63 manual states that no special speakers cables are needed .

Now most speaker brands cowardly provides biwire terminals even thou
they know better, to not offend their costumer base and thier silly
cabling practices .

As I have pointed out in these forums before I once did belong to the
cult faction to some degree , The tipping piont was probably cable
lifters and very expensive power cords , then I saw that emperor was
indeed very naked .

Why not some mpingo discs or some of Peter belts products :) anyone want
some green rings to have on the edge of thier CD's still got some around
( I thrown away most of them ).



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

Mnyb wrote: 
 And this used to be a nice hobby and past time, something really bad
 happened a couple of decades ago.

You might be right. The National Science Foundation stated that
pseudoscientific beliefs in the U.S. became more widespread during the
1990s, peaked near 2001, and declined slightly since with
pseudoscientific beliefs remaining common

But I am sure the other side would maintain that This used to be a
nice hobby and past time, but then a bunch of arrogant objectivist
engineer types started to aggressively question what people were
hearing :-/



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread bhaagensen

Good times and we're all in agreement :)

But.

The one-liner scientific argument (Nyquist) doesn't carry through to the
end (the analog outputs of Your DAC). While Nyquist is a very nice
result, its theoretical and for practical purposes, non-constructive. So
an implementation is forced to take another route on which there lies
traps that are not so simple anymore. So there are issues which aren't
simply true-false in the math kind of sense (like Nyquist), and so there
can be room for discussion.

The problem I suppose, is that as soon as we are talking real-life
devices, the implementation matters.



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Re: [SlimDevices: Audiophiles] What is the best top end player now ?

2012-11-20 Thread jh901

ralphpnj wrote: 
 
 will only invoke lots of nasty comments because the simple fact is that
 regardless of the DAC and the audio system used the sonic differences
 between that DAC and the Transporter's analog outputs will be, at best,
 subtle. Please leave all the hyperbole and the greatest thing since
 sliced bread comments to the audio rags. I do believe that you did hear
 and experience a very real and audible difference, I only have an issue
 with your placing these differences into the realm of night and day.
 
 

Well, had I not heard a night/day, then I'd have passed on the
expenditure.  Not many of us likely have $6 grand or more to burn.  I
can't describe my own experience in a way that will allow any given
reader of this forum (or any other) to truly grasp exactly what I'm
getting at.  I can add that my non-audiophile neighbor who heard the
Transporter in my system many times, was under the distinct impression
that something other than a CD player upgrade had taken place.

But look, there are a lot of factors.  My system had a single weak
link as it turns out and Focal Utopia line speakers are not forgiving. 
The DAC upgrade (and by DAC, I mean the whole design including digital
stage, power supply, analog stage) was a significant leap up the food
chain and the impact on the sound of my system was FAR beyond what I'd
have been able to grasp had I not heard it.  I wish I could do a better
job articulating this.  Bottom line:  go out and borrow a Cary 306 or
one of the world class units (dCS Puccini, etc) and if your system is up
to it, then you will be overwhelmed.  That is my honest view.

Finally, I find it disappointing that we are so overwhelmingly
suspicious of the RD carried out by the likes of dCS.  Further, is it
truly rational to believe that those shelling out $50, 80 or 100 grand
for elite products from dCS are simply nuts or confused or showing off,
etc?  Really?



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

bhaagensen wrote: 
 Good times and we're all in agreement :)
 
 But.
 
 The one-liner scientific argument (Nyquist) doesn't carry through to the
 end (the analog outputs of Your DAC). While Nyquist is a very nice
 result, its theoretical and for practical purposes, non-constructive. So
 an implementation is forced to take another route on which there lies
 traps that are not so simple anymore. So there are issues which aren't
 simply true-false in the math kind of sense (like Nyquist), and so there
 can be room for discussion.
 
 The problem I suppose, is that as soon as we are talking real-life
 devices, the implementation matters.

Of course in reality things are recorded in hirez and when the stuff is
in the system and mastered it could then mathematically be reduced
these algorithms are damn near perfect implementations these days .
And then of-course the DAC oversamples to a very high rate to use some
real world affordable and cheap filters et all .
But the dat carier could be near perfcet these days .

So given modern studios the CD's or downloads is a mathematical exercise
so imo it is close to the theory

A good home experiment is to take some of your hirez downloads ( i do
have hundreds of them ) and use SoX in some of it's good best settings
,not some weird audiophile aproved  apodizing emulation (shallow
fillters do attenuate the treble to early if you are young you will hear
this ).
And have a listen , in practice I do this now and then I must admit that
I have yet to find a definitive difference and for kicks try both
24/44.1 and 16/44.1 of you precius 24/192 master.
And do not be surprised if the cd version on a hybrid disc or similar
does not sound anything like this ;) In best case these hirez files are
cut from much better masters ,but it is a complex issue better to
approve the thing with the popular hirez moniker to improve sales .

Remastered is usually a label of the exact opposite process making old
stuff sound modern and abuse them the way new stuff are done, so
audiophile would not buy remastered a better label is something like
24/192 studio master and yes these can be much better version but not
for the reasons you might think .

But all this is surpased by the real world soundquality of most
recordings , hence we are all discussing the wrong problem we get back
to this topic when recording quality in general is up to it :) or even
up to lowly CD spec ?

Some audiophile labels and classical labels may cut it sometimes ,but
they are exceptions sometimes we must have real music too



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread bhaagensen

Mnyb wrote: 
 
 So given modern studios the CD's or downloads is a mathematical exercise
 so imo it is close to the theory
 
Maybe, but you can't argue that by referring to (only) Nyquist - the
main point of my first post.

Mnyb wrote: 
 
 And have a listen , in practice I do this now and then I must admit that
 I have yet to find a definitive difference and for kicks try both
 24/44.1 and 16/44.1 of you precius 24/192 master.
 

Definitive is a strong word, but how about maybe...?

Mnyb wrote: 
 
 Remastered is usually [a label of the exact opposite...]
 

Usually, but not always, and by who's count - oh my head hurts :)

Mnyb wrote: 
 
 But all this is surpased by the real world soundquality of most
 recordings , hence we are all discussing the wrong problem we get back
 to this topic when recording quality in general is up to it :) or even
 up to lowly CD spec ?
 

That begs the question - suppose there *is* a difference - then how
good does a recording have to be in order for it to be up to it...?



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

bhaagensen wrote: 
 Maybe, but you can't argue that by referring to (only) Nyquist - the
 main point of my first post.
 
 
 
 Definitive is a strong word, but how about maybe...?
 
 
 
 Usually, but not always, and by who's count - oh my head hurts :)
 
 
 
 That begs the question - suppose there *is* a difference - then how
 good does a recording have to be in order for it to be up to it...?

He he all good questions especially the last one :) the recording can be
up to it but then again your mere human hearing may not
Are we done with the ibit obsession yet , now I'm having coffee and will
sit in my not so perfect listening room with some but not near enough
acoustic treatment and some DRC but again could be better and I'm to
close to the back wall trying to remedy that by using absorbent...
And who knows how the chosen recording is done..



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

Mnyb wrote: 
 
 
 Well, funny enough, I downloaded a bunch of 24-bit hi-res downloads
 Bowers  Wilkins Society of Sound site after a bunch of audiophiles
 described them in superlative terms and wrote about how much better they
 were than the normal 16-bit material. I guess you are not surprised to
 hear that I discovered that several of them were actually 16 bit
 material that happened to be delivered as 24-bit FLAC files...



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

bhaagensen wrote: 
 Maybe, but you can't argue that by referring to (only) Nyquist - the
 main point of my first post.

I think you can. Remember Nyquist (or, more formally, the
Nyquist–Shannon sampling theorem) states that If a function x(t)
contains no frequencies higher than B hertz, it is completely determined
by giving its ordinates at a series of points spaced 1/(2B) seconds
apart.

Completely determined means completely reconstructible, but I might
be missing your point.



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread bhaagensen

:) enjoy your coffee mnyb! I am listening to some recently released
stuff i havent bought yet on Spotify in shrug Mp3...



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

Julf wrote: 
 I think you can. Remember Nyquist (or, more formally, the
 Nyquist–Shannon sampling theorem) states that If a function x(t)
 contains no frequencies higher than B hertz, it is completely determined
 by giving its ordinates at a series of points spaced 1/(2B) seconds
 apart.
 
 Completely determined means completely reconstructible, but I might
 be missing your point.

I do agree ( coffe + whether report is enjoyed ) but in reality no clock
does 1/(2B) perfectly so the actual nyqkvist frequency may fluctuate
slightly so in practical implementation you leave a little slush margin
.

But that the extent of my knowledge I can't do z transforms :-/ an
eternity ago I could do Laplace ( in university ).
I do understand some simple things like  completely determined  .
And actually the limited bit resolution 11/14/16/24 and whatnot of a
digital,system actually means that the residues above fs does not need
to be complete damped but say a finite xx dB is enough but this usually
is a whole lot of dB 100dB or much greater (140dB) in most filters I've
seen in the layman software I ever used .
There may be no thing as a perfectly bandwith limited signal so some
extremely small aliasing residues may be there ,but hey this is not
radio astronomy or cat scanners or anything sensitive just good old
audio :)



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

Julf wrote: 
 Well, funny enough, I downloaded a bunch of 24-bit hi-res downloads
 Bowers  Wilkins Society of Sound site after a bunch of audiophiles
 described them in superlative terms and wrote about how much better they
 were than the normal 16-bit material. I guess you are not surprised to
 hear that I discovered that several of them were actually 16 bit
 material that happened to be delivered as 24-bit FLAC files...

I think I have one that is upsampled from 44.1 to 48  for better
compatibility with computers  or some such nonsense I emailed them
about it , but they may have a piont suppose an old win XP system and a
punter not using asio or kernel streaming etc and other workarounds to
avoid the kmixer , the algorithms used by the OS to do this may be tuned
more to use less resources than perfect audio quality .

Not to mention some soundboards my old sound blaster from my old pc has
clear aliasing artefacts :P feed it signals close to 20k and cheerful
noises will be heard .

And then we have a squeezebox that bypasses all that :) sad that the
Beaty and simplicity of this is not apriciated by more audiophiles .

Get squeezebox unpack conect install LMS scan enjoy



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

Mnyb wrote: 
 in reality no clock does 1/(2B) perfectly so the actual nyqkvist
 frequency may fluctuate slightly so in practical implementation you
 leave a little slush margin.

Sure - engineering is applying the science in real world situations. But
that doesn't make the science invalid or irrelevant in any way. The
Nyquist–Shannon sampling theorem still applies 100%.



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

Julf wrote: 
 Sure - engineering is applying the science in real world situations. But
 that doesn't make the science invalid or irrelevant in any way. The
 Nyquist–Shannon sampling theorem still applies 100%.

Yes i agree 100% and that extends to all laws of physics there is no
special laws of electricity for audio they are the same as in any
electrical engineering or physics .
If that where the case many things claimed by cult hifi would greatly
interest people at CERN etc , the Nobel prize will be a given.
For example hearing differences between different spade lugs for speaker
cables ? Or wall plates for electricity .

There is no special quantum dimension for audio where things can't be
determined or measured or understood a transistor does not know that the
electrical current passing by is music .

This reminds me of the radium craze in beginning of the century, you
could by water bottles coated in uranium ore or similar to vitalise the
drinking water and of course radium cigarettes and soap :)



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread bhaagensen

Mnyb wrote: 
 
 quantum 
 

But I guess this is the point. There is some wiggly room in the
interface where science meets the real world. And I know, in the
sciences its usually controlled and abstracted using some kind of
error-model, but such error models can't be denied of being extremely
complicated if you dive into them, and in fact, not always that well
understood. And I guess in a way, its in this little space of
uncertanity that the audiophile story-tellers thrive. They can come up
with anything to fill the error-term and for the scientifically minded,
its very hard to provide rigid arguments against. We are basically
saying, look it holds 100% from here to the end of the universe - 1, and
then they quickly jump onto the last 1.



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Julf

bhaagensen wrote: 
 But I guess this is the point. There is some wiggly room in the
 interface where science meets the real world. And I know, in the
 sciences its usually controlled and abstracted using some kind of
 error-model, but such error models can't be denied of being extremely
 complicated if you dive into them, and in fact, not always that well
 understood. And I guess in a way, its in this little space of
 uncertanity that the audiophile story-tellers thrive. They can come up
 with anything to fill the error-term and for the scientifically minded,
 its very hard to provide rigid arguments against. We are basically
 saying, look it holds 100% from here to the end of the universe - 1, and
 then they quickly jump onto the last 1.

In science, the burden of proof rests on those making a claim, not on
the critic. Pseudoscientific arguments may neglect this principle and
demand that skeptics demonstrate beyond a reasonable doubt that a claim
(e.g. an assertion regarding the efficacy of a novel therapeutic
technique) is false. It is essentially impossible to prove a universal
negative, so this tactic incorrectly places the burden of proof on the
skeptic rather than the claimant.

(from 'wikipedia: pseudoscience'
(http://en.wikipedia.org/wiki/Pseudoscience#Over-reliance_on_confirmation_rather_than_refutation)).



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread bhaagensen

Neh :) Of course, a claim - wether positive or negative - presented
without argument is not worth a penny. But this just resolves into what
constitutes an argument. Here traditions vary depending on the science,
and I'm sure some audiophile story-tellers are in fact able to present
sequences of words that can be counted for as arguments*. This, in
principle is fine. Moreover the [generally accepted] philosphical basis
for science is [as you touch upon] that one can hypothesise anything
provided it is falisifiable (and you don't actually have to be able to
do this yourself to post the hypothesis). Now a hypothesis such as
24/192 is audibly different from 16/44 does occur to me as valid in
this sense - but I'm sure it can be debated. To then support any claims
on this matter obvioiusly requires arguments, and this brings be back to
what I've already said. 

So in the context of science, it boils down to what a valid hypothesis
is and what a valid argument is. This brings us far beyond the rigidity
of math and Nyquists theorem and I guess quickly becomes philosophy. Not
that I'm capable of such a discourse, but surely its not difficult to
see why the train gets off tracked at your average hifi internet
forum... This stuff will never get resolved there - and for good reasons
- IMO.

* Not counting the recently presented sawtooth argument, there are
other arguments in favour of high-res that are more solid.



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Re: [SlimDevices: Audiophiles] 24/192kHz capability for Transporter

2012-11-20 Thread Mnyb

bhaagensen wrote: 
 But I guess this is the point. There is some wiggly room in the
 interface where science meets the real world. And I know, in the
 sciences its usually controlled and abstracted using some kind of
 error-model, but such error models can't be denied of being extremely
 complicated if you dive into them, and in fact, not always that well
 understood. And I guess in a way, its in this little space of
 uncertanity that the audiophile story-tellers thrive. They can come up
 with anything to fill the error-term and for the scientifically minded,
 its very hard to provide rigid arguments against. We are basically
 saying, look it holds 100% from here to the end of the universe - 1, and
 then they quickly jump onto the last 1.

we don't need the quantum in audio (yet) maybe down in the -400 dB range
:) macroscopic evidence about our hearing sets limits already not in the
quantum, sane equipment already have performance beyond our hearing
abilities so normal macroscopic signal theory will do fine .

is it agreed that humans can hear 0.1% distorsion if they are sensitive
in best case in the midrange ? and 120dB range in best case still
macroscopic levels .

All that is needed is the decades old listening test where the bloody
obvius is confirmed that all low noise low distortion and flat frequency
response equipment sound the same when operated -within it's spec's-  *
the wiggle room is in speakers who always has a house sound and can't
ever be transparent and they interact with your room too ,and relatively
economical power amps that are driven out of spec with many of todays
hard to drive speakers .
Also equipment miss-match , if they where standards for signal levels
and gain and impedance and if some one cared about that . you can get
tons of hiss and noise with to much gain for example anyone can hear
that

Yea there must be a plancksound the smallest possible sound 6.626068 ×
10^-34 dB :) and planckdistorsion 6.626068 × 10^-34 thd  :D but it
probably drowns in the brownian motion of the air molecules , I suggest
a zero kelvin listening environment .

* The real non sequitur , the cult manufacturers knows this and provides
distorting non flat equipment with very complicted transfer functions
that ofcourse sound different .
The perfect circular argument, with luck the design is so bad that it
reacts on perfectly normal cable choices too so that you can hear
difference in cabling :P



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Re: [SlimDevices: Audiophiles] What is the best top end player now ?

2012-11-20 Thread ralphpnj

jh901 wrote: 
 Well, had I not heard a night/day, then I'd have passed on the
 expenditure.  Not many of us likely have $6 grand or more to burn.  I
 can't describe my own experience in a way that will allow any given
 reader of this forum (or any other) to truly grasp exactly what I'm
 getting at.  I can add that my non-audiophile neighbor who heard the
 Transporter in my system many times, was under the distinct impression
 that something other than a CD player upgrade had taken place.
 
 But look, there are a lot of factors.  My system had a single weak
 link as it turns out and Focal Utopia line speakers are not forgiving. 
 The DAC upgrade (and by DAC, I mean the whole design including digital
 stage, power supply, analog stage) was a significant leap up the food
 chain and the impact on the sound of my system was FAR beyond what I'd
 have been able to grasp had I not heard it.  I wish I could do a better
 job articulating this.  Bottom line:  go out and borrow a Cary 306 or
 one of the world class units (dCS Puccini, etc) and if your system is up
 to it, then you will be overwhelmed.  That is my honest view.
 
 Finally, I find it disappointing that we are so overwhelmingly
 suspicious of the RD carried out by the likes of dCS.  Further, is it
 truly rational to believe that those shelling out $50, 80 or 100 grand
 for elite products from dCS are simply nuts or confused or showing off,
 etc?  Really?  And that those independently reviewing these products
 around world are colluding with the industry in order to continue a
 decades long charade!?

I didn't mean to offend or even question that you did, in fact, hear a
very noticeable difference. Since the analog and digital outputs on the
Transporter are both active were you able to do a simple A-B test? Not
even double blind, just a simple A-B test. It is truly amazing what a
simple test can show you regarding perceived night  day differences.
Then again, I do believe that a modern, state of the art DAC would offer
a significant improvement in sound over the Transporter. But that's the
great thing about digital - the $300 Touch (or even the Transporter)
feeding a digital signal to a modern, state of the art DAC will sound
the same as mega-buck CD transport or mega-buck music streamer feeding
the same DAC. In addition one can also throw away the $1,000 digital
interconnect since a good $5 digital interconnect will produce the same
results.

I know that the above is anathema to the high end audio press but since
cable vendors make up the bulk of these dying magazine's advertising
revenue, how could they possibly tell their readers these simple truths
about digital?



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[SlimDevices: Audiophiles] Linn Majik any good?

2012-11-20 Thread Steve Agnew

I've been looking for a small integrated amp with a digital input to put
in a bedroom system with a Squeezebox Touch and some Martin Logan
Electromotion ESLs. I've found the Cyrus 8QX amp and Perreaux 80i (which
is made locally here in NZ) and I have also been recommended the Linn
Majik DSM at more $$$ as a single box alternative. I was going to hook
up the Squeezebox Touch via it's digital output to whichever amp I
chose, and was looking for a better performing DAC. So my questions are:

Does anyone have any experience with any of these units and would care
to comment on their performance?

Is the Majik DSM really usable compared to the Squeezebox? I usually use
a transporter and 2x Touch units via their remotes but do use iPeng and
Squeezepad from time to time. Seeing as I have LMS set up and working
reliably with several players, is getting a separate Linn player really
a workable option? Linn has software that allows a Majik unit to follow
a Squeezebox but I'm a bit hesitant because of their oBnOXiouS
KaPItaliZatiOn and SpellInG and the high $$$.

If you've done this already please let me know how you got on.

Cheers, Steve.



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