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Chung wrote:
> B&D wrote:
> >
> > Or, perhaps, that the power supply design was done more carefully,
the
> > transport selected was capable of resisting jitter and the overall
design
> > was made to prevent digital timing errors.
>
> You believe doing those things right cost $4.5K more?
>
> The transports used in the $$$ players are just the same as those
used
> in players that cost an order of magnitude less. (In some cases
grossly
> inferior transports were used, like the belt-driven ones.) The DAC
chips
> used are often the same or even older than the ones used in the
> mass-manufactured players. Not that you are likely to hear the
> differences resulting from different DAC's used.
>
Then there's the power supply. I can understand why a robust power
supply is essential to a good amp, but I have a CD player that runs on
two AA batteries. Now, I'm not saying it's perfect, but if you can run
a player *at all* on that kind of juice, it's highly unlikely that you
need your own generating station to get distortion-free sound out of a
CD player.

bob
 
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On 1/10/05 8:24 PM, in article crv9t601mmf@news1.newsguy.com, "Chung"
<chunglau@covad.net> wrote:

> B&D wrote:
>> On 1/9/05 3:42 PM, in article crs5060282@news1.newsguy.com, "chung"
>> <chunglau@covad.net> wrote:
>>
>>> It's possible that a $5K CD player may sound different than a $500 one.
>>> However, the difference may be due to the $5K one being intentionally
>>> (or sometimes unintentionally, too) made to be less accurate. Like using
>>> tubes, for instance
>>
>> Or, perhaps, that the power supply design was done more carefully, the
>> transport selected was capable of resisting jitter and the overall design
>> was made to prevent digital timing errors.
>
> You believe doing those things right cost $4.5K more?
>
> The transports used in the $$$ players are just the same as those used
> in players that cost an order of magnitude less. (In some cases grossly
> inferior transports were used, like the belt-driven ones.) The DAC chips
> used are often the same or even older than the ones used in the
> mass-manufactured players. Not that you are likely to hear the
> differences resulting from different DAC's used.

Instead of talking in theory - can you give me a concrete example of a $5k
player that sounds "as good" as a $500 one?

My detailed experience has been with less lofty CDP's - my personal
experience between the NAD C541i, Arcam CD192, Bel Canto DAC-2, Sony SCD-2
and Ayre CX-7 showed good differences and gradations in price.

Again, to *which* $5k player are you referring?
>
>
>> Also use of digital techniques
>> to extract more information, lower the effective noise floor, a DAC that is
>> state of the art, as well as a well thought out analog stage with the
>> compromises made to be minor.
>
> Do you seriously believe that the boutique makers can do a better job?

A good engineer who is aiming for good sound reproduction will do a better
job than an engineer who is engineering for minimal performance for less
than $10.

> We are talking about a CD player, and companies like Sony have been
> making CD players for 20 years. Don't you think they understand how to
> design CD players so that the errors are inaudible?

Sure they do - but you have to ask if they choose to do that if it will mean
something costs $0.01 more than their price target. Sony and the other big
guys know perfectly well how to design SOTA stuff - they don't always, and
usually because of cost.

>I read that some
> high-end CD players even eliminate the anti-alias filters. That should
> tell you a lot about the design talent you find in some high-end labels.

That particular (misguided) technique was developed in Japan with full
knowledge of what they were doing. It does not indicate anything but the
desire to expeiment and see what will happen.

> You are simply repeating the myths perpetuated by high-end marketing.

Actually if the big guys were interested in building truly high end gear
(performance high end) they would do so, and the price tags would reflect,
though be a relative bargain. Sony does this every so often, and their $500
SE SACD/CD players will blow just about anything out of the water until you
get to about $1500-2000. Their high end SACD player (first the SCD-1, and
now the 3000ES) for $3k just about kills anything else out there, especially
on SACD. The Intergra, Marantz and others are showing the value the
dedicated R&D departments and manufacturing prowess of these organizations
have to bring to the table.

What the "high end marketing press" has got right is that much of the mass
market is more interested in presenting something for "cheap" and less
because it performs well. I have found this to be true, and hate spending a
lot of money, but will spend it if there is value. When the mass marketers
put their mind to it, they do really well and can offer things much cheaper
than the boutiques. *If* they do this is another story.

I hear a lot of mass marketing saying that MP3's are "CD Quality" - but
listening the the CDP's by some of them, it might just be true.
 
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B&D wrote:
> On 1/9/05 3:42 PM, in article crs4ut027c@news1.newsguy.com,
"---MIKE---"
> <twinmountain@webtv.net> wrote:
>
> > I agree with Bob on CD players. If a high end player sounds
different
> > it is because it is adding something such as a peak in the response
> > somewhere.
>
> You may agree, but I don't think that would always be correct.

Well, at least now you're expressing an opinion, rather than stating
"facts." By the way, I don't think it's always correct, either.
Sometimes it'll be the cheaper one that's adding something. (Though the
only specific cases I can think of were pretty expensive.)

> Take a $500 NAD C542 against a Arcam CD192 ($1700) - you will hear a
> definite improvement more detail, better high end and low end. Will
be
> about 20% or so better, but better overall none the less.

Sure, if you know which one cost 240% more. But can you even tell them
apart without looking?

bob
 
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On 1/10/05 8:52 PM, in article crvbgj01o6b@news1.newsguy.com, "Tat Chan"
<le_king_num_7@hotmail.com> wrote:

> B&D wrote:
>
>
>>
>> If you look at a Benchmark DAC1 and put it up against an $20 Apex player, or
>> even an iPod, you will find that it is leaps an bounds better at extracting
>> detail and presenting it in a manner that is accurate and revealing of flaws
>> in the recording. That is, in essence, what most Audiophiles are after -
>> though many get caught up in gear that may not live up to that standard for
>> a lot of money.
>
> "Accurate and revealing of flaws in the recording". I am afraid that
> only true believers in high-fidelity would like that kind of sound.

If you can't hear the flaws in a recording, you can't hear how good it
sounds when they get the recording right. And iPod does a great deal to
whitewash the details - and it sounds great with bad recordings. Good to
have one around if you have some CD's rendered unlistenable due to the awful
mastering.

If you don't want the unvarnished truth of the recording - I can't say you
are very much interested in high end. Even if you were to ask 'phile and
TAS editors (minor demons on this NG) their opinion - would they rather have
accurate and revealing or warm and mushy and inaccurate - they would
probably say that accuracy was first.
 
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On 1/10/05 8:25 PM, in article crv9us01mov@news1.newsguy.com, "Stewart
Pinkerton" <patent3@dircon.co.uk> wrote:

>> Or, perhaps, that the power supply design was done more carefully, the
>> transport selected was capable of resisting jitter
>
> The lowest jitter transport assembly available *at any price* is the
> basic Sony model. That's why Arcam and others use it.

Sure - and does Sony offer more than 1 transport to the OEM's?
 
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B&D wrote:
> On 1/10/05 8:21 PM, in article crv9n101mgo@news1.newsguy.com,
> "nabob33@hotmail.com" <nabob33@hotmail.com> wrote:
>
> > In that case you should have no trouble coming up with a specific
> > example of a measurably accurate $5K CD player that is audibly
> > distinguishable from a $500 Rotel in a blind comparison.
> > We're waiting.
>
> NAD C541i vs. Arcam CD192 is what I can offer as an example. You can
throw
> in an iPod for comparison as well.

iPod's not a CD player. As for the other two, you caught the phrase
"blind comparison" in my post, didn't you? Please provide details:
Level-matched, time-synched, statistically significant number of
correct identifications? Or maybe you hadn't gotten that far.

Too bad. See, if you had, then your opinion would be worth more than
mine. And my opinion is that both those players are probably good
enough, barring defects, that they would be audibly indistinguishable,
whatever you think you may have heard.

bob
 
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On 1/10/05 9:23 PM, in article crvdbg01qt6@news1.newsguy.com,
"nabob33@hotmail.com" <nabob33@hotmail.com> wrote:

>> You believe doing those things right cost $4.5K more?
>>
>> The transports used in the $$$ players are just the same as those
> used
>> in players that cost an order of magnitude less. (In some cases
> grossly
>> inferior transports were used, like the belt-driven ones.) The DAC
> chips
>> used are often the same or even older than the ones used in the
>> mass-manufactured players. Not that you are likely to hear the
>> differences resulting from different DAC's used.
>>
> Then there's the power supply. I can understand why a robust power
> supply is essential to a good amp, but I have a CD player that runs on
> two AA batteries. Now, I'm not saying it's perfect, but if you can run
> a player *at all* on that kind of juice, it's highly unlikely that you
> need your own generating station to get distortion-free sound out of a
> CD player.

In general, low source impedance under load is important to avoid voltage
droop under the audio waveform [this would cause audible distortion if bad
enough], and in a really cost reduced power supply, you can get some noise
and harmonics form the line to the power for the electronics [generally a
60Hz harmonic hum + other noise from switching power supplies with bad input
filters]. Most modest gear is good enough, but in some the power supply is
cost reduced. If you want to avoid any of this, a battery bank offers
reasonable impedance, great voltage stability under varying load and *no*
line noise.

Proper filtering and regulation if using AC, as well as "enough juice" to
support your load without appreciable droop [causing audible distortion]
will generally give excellent results. It is not really difficult and
terribly expensive to do a decent job, but this is one section that is
usually shorted in mass market and over designed in high end stuff.

Like I said before, batteries are *excellent* power supplies - just kind of
a pain to work with in a non portable setup.

Some preamps and other high end gear uses batteries (a company called "Edge"
does, I believe) - and at least 1 kit I know of.
 
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In article <crv9ps01mjo@news1.newsguy.com>,
"OneActor1@aol.com" <OneActor1@aol.com> wrote:

> In my testing
> of several CD players at various price points and built by various
> manufacturers, where all players were connected via toslink to the same
> a/v reciever powering the same speakers for every test, the was no
> audible difference between any of the players, ranging in price from
> around $150 to several thousand dollars.

That's because you're comparing the DAC in your receiver with the DAC in
your receiver. Indeed, those different players could conceivably have
the same transport mechanism.

Stephen
 
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<<Take a $500 NAD C542 against a Arcam CD192 ($1700) - you will hear a
definite improvement more detail, better high end and low end. Will be
about 20% or so better, but better overall none the less.>>

I'm sorry, but my own tests have proven this notion to be false. I
compared CD players from a broad spectrum of price points and by
various manufacturers. All of them were connected to a Denon A/V
reciever via optical connection and the Denon was powering Klipsch
Reference Series speakers. I was unable to detect ANY difference in
sonic quality between the units. Similar tests have been done elsewhere
to the same effect.
 
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<<Please identify these two turntables for us.>>

The less expensive turntable is a Denon DP-500M, the more expensive is
a Music Hall MMF-9. I tested them aganist each other using the same
Stanton cartridge.
 

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nabob33@hotmail.com wrote:
> Chung wrote:
>> B&D wrote:
>> >
>> > Or, perhaps, that the power supply design was done more carefully,
> the
>> > transport selected was capable of resisting jitter and the overall
> design
>> > was made to prevent digital timing errors.
>>
>> You believe doing those things right cost $4.5K more?
>>
>> The transports used in the $$$ players are just the same as those
> used
>> in players that cost an order of magnitude less. (In some cases
> grossly
>> inferior transports were used, like the belt-driven ones.) The DAC
> chips
>> used are often the same or even older than the ones used in the
>> mass-manufactured players. Not that you are likely to hear the
>> differences resulting from different DAC's used.
>>
> Then there's the power supply. I can understand why a robust power
> supply is essential to a good amp, but I have a CD player that runs on
> two AA batteries. Now, I'm not saying it's perfect, but if you can run
> a player *at all* on that kind of juice, it's highly unlikely that you
> need your own generating station to get distortion-free sound out of a
> CD player.
>
> bob

It's relatively easy to design a power supply for the CD player because
the current demands are quite small. Of course, high-end marketing wants
you to believe that it is a difficult task and requires expensive
components (those analog parts!) and tremendous skills, but just
consider the fact that you can buy a very competent receiver, with 7
power amps and several 24 bit DAC's and ADC's in it for less than $1K
(Denon 3805 and HK-AVR635 to name a couple of examples), and you should
see the untenability of the high-end position.

The Wavac tubed amp has some of the worst supply regulations I have
seen, as reported by Stereophile, and yet it was highly reviewed. That
leaves one to wonder whether the high-end audiophile really can tell a
clean supply from a noisy one.
 
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On 11 Jan 2005 01:23:50 GMT, B&D <bromo@ix.netcom.com> wrote:

>On 1/9/05 7:25 PM, in article crsi230hh6@news3.newsguy.com,
>"nabob33@hotmail.com" <nabob33@hotmail.com> wrote:
>
>> I'm not arguing that every $100 player would meet this test, although I
>> suspect that the major, established manufacturers, who can amortize
>> their research budget over millions of units, would have no trouble
>> doing so.
>
>Actually, the major manufacturers know how to make a SOTA player - but
>choose not to, rather competing on cost and cost reduction.

Actually, the major manufacturers do make SOTA players, all the time.
The major manufacturers *are* the state of the art - they have the big
R&D labs and the chip fabrication plants. Back street bodgers like
Wadia and Naim have to trail along behind, using off-the-shelf parts
from the big boys wrapped up in fancy casework.

>A CDP from Sony - if they decided to make a SOTA player (such as the SCD-1
>or the SACD players they carried recently)

Oh, so Sony *did* make a SOTA player? Make your mind up!

> it would be able to give you more
>for your money - especially due to the scale as you said, but also the use
>of factories in the developing world, such as China.
>
>Could they produce a $5000 player by a small fry for $100? Probably not -
>but they may be able to do it for $1-2k....

Why would they bother? They all *sound* the same, it's just that Sony
knows that some people will pay extra for 'battleship' build quality
and the very latest technology. This helps pay for the R&D........
--

Stewart Pinkerton | Music is Art - Audio is Engineering
 
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On 11 Jan 2005 01:18:16 GMT, B&D <bromo@ix.netcom.com> wrote:

>On 1/9/05 3:41 PM, in article crs4tb0268@news1.newsguy.com, "Harry Lavo"
><harry.lavo@rcn.com> wrote:
>
>>> Analog's a different ballgame. No turntable or tape deck, at any price,
>>> can deliver ruler-flat frequency response and inaudible levels of
>>> distortion to a preamp. So naturally it's possible (make that likely)
>>> that any two will sound different.
>>
>> Yeah, many more variables here requiring top-flight mechanical and materials
>> engineering as well as electrical performance. But once again, analog
>> design and build quality has much to do with final results...phono headamps
>> and preamps, tape recorder output stages, etc.
>
>Also keep in mind the power supply and digital transport are big adders to
>the final product.
>
>If a $20 CDP were truly SOTA, then there would be no need for outboard DAC's
>like the Benchmark DAC-1 which being a piece of pro gear for mastering
>music, has to be more accurate than an Apex $20 portable in order to justify
>its $900 price tag to the professionals!

The Benchmark is a viable product for anyone with multiple digital
sources, but it's fair to say that having SOTA performance makes it
more of a 'comfort zone' item than actually producing any *audible*
improvement over the average CD player. It is of course very simple to
set up an ABX test with the Benchmark and any player having a digital
output.

--

Stewart Pinkerton | Music is Art - Audio is Engineering
 

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B&D wrote:
> On 1/10/05 8:24 PM, in article crv9t601mmf@news1.newsguy.com, "Chung"
> <chunglau@covad.net> wrote:
>
>> B&D wrote:
>>> On 1/9/05 3:42 PM, in article crs5060282@news1.newsguy.com, "chung"
>>> <chunglau@covad.net> wrote:
>>>
>>>> It's possible that a $5K CD player may sound different than a $500 one.
>>>> However, the difference may be due to the $5K one being intentionally
>>>> (or sometimes unintentionally, too) made to be less accurate. Like using
>>>> tubes, for instance
>>>
>>> Or, perhaps, that the power supply design was done more carefully, the
>>> transport selected was capable of resisting jitter and the overall design
>>> was made to prevent digital timing errors.
>>
>> You believe doing those things right cost $4.5K more?
>>
>> The transports used in the $$$ players are just the same as those used
>> in players that cost an order of magnitude less. (In some cases grossly
>> inferior transports were used, like the belt-driven ones.) The DAC chips
>> used are often the same or even older than the ones used in the
>> mass-manufactured players. Not that you are likely to hear the
>> differences resulting from different DAC's used.
>
> Instead of talking in theory - can you give me a concrete example of a $5k
> player that sounds "as good" as a $500 one?

What's wrong with talking in theory? Do you have any objections to the
theory stated? Besides, saying that boutique companies use the same
transports or DAC's as mass manufacturers is not stating a theory at
all. It is fact. Very, very few boutique shops have the technical
prowess to develop a DAC or a transport.

What I gave you was an example or two of an expensive CD player that
most likely does not sound as accurate as the $500 one. We were all
trying to answer the OP's question, which was whether a $5K player
sounds different than a $500 one.


>
> My detailed experience has been with less lofty CDP's - my personal
> experience between the NAD C541i, Arcam CD192, Bel Canto DAC-2, Sony SCD-2
> and Ayre CX-7 showed good differences and gradations in price.
>
> Again, to *which* $5k player are you referring?

I did not refer to any in particular.

Was your personal experience based on level-matched blind testing?

>>
>>
>>> Also use of digital techniques
>>> to extract more information, lower the effective noise floor, a DAC that is
>>> state of the art, as well as a well thought out analog stage with the
>>> compromises made to be minor.
>>
>> Do you seriously believe that the boutique makers can do a better job?
>
> A good engineer who is aiming for good sound reproduction will do a better
> job than an engineer who is engineering for minimal performance for less
> than $10.

And you don't think the engineers at Sony or Denon are aiming for good
sound reproduciton?

And you think that the engineers at Sony or Denon are working for less
than $10?

>
>> We are talking about a CD player, and companies like Sony have been
>> making CD players for 20 years. Don't you think they understand how to
>> design CD players so that the errors are inaudible?
>
> Sure they do - but you have to ask if they choose to do that if it will mean
> something costs $0.01 more than their price target. Sony and the other big
> guys know perfectly well how to design SOTA stuff - they don't always, and
> usually because of cost.

And you still believe that the SOTA CD player designed by Sony will
necessarily cost $5K, or at least >$500? Do you have any prove that Sony
will not put in a better part if it costs 1 cent more?

SOTA simply means the errors are inaudible. There is no actual benefit
in over designing. For example, there is no sense in designing an output
stage with 20V swing, or one that has 0.0001% distortion.

>
>>I read that some
>> high-end CD players even eliminate the anti-alias filters. That should
>> tell you a lot about the design talent you find in some high-end labels.
>
> That particular (misguided) technique was developed in Japan with full
> knowledge of what they were doing. It does not indicate anything but the
> desire to expeiment and see what will happen.

But you don't see that kind of "experimenting" from Sony or Denon. Why
even experiment, since theory can tell you why you need the anti-alias
filter? And who is paying for the experimenting?

>
>> You are simply repeating the myths perpetuated by high-end marketing.
>
> Actually if the big guys were interested in building truly high end gear
> (performance high end) they would do so, and the price tags would reflect,
> though be a relative bargain. Sony does this every so often, and their $500
> SE SACD/CD players will blow just about anything out of the water until you
> get to about $1500-2000.

So (a) which $5K player is better than the $500 Sony, (b) can the
measurements prove that, and (c) can you tell them apart in a
level-matched blind listening test?

>Their high end SACD player (first the SCD-1, and
> now the 3000ES) for $3k just about kills anything else out there, especially
> on SACD. The Intergra, Marantz and others are showing the value the
> dedicated R&D departments and manufacturing prowess of these organizations
> have to bring to the table.
>
> What the "high end marketing press" has got right is that much of the mass
> market is more interested in presenting something for "cheap" and less
> because it performs well.

As we say in engineering, good enough is perfect! Only the high-end
marketing press will tell you that a good CD player has to cost $$$!


> I have found this to be true, and hate spending a
> lot of money, but will spend it if there is value. When the mass marketers
> put their mind to it, they do really well and can offer things much cheaper
> than the boutiques. *If* they do this is another story.
>
> I hear a lot of mass marketing saying that MP3's are "CD Quality" - but
> listening the the CDP's by some of them, it might just be true.
 
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On 1/11/05 7:47 PM, in article cs1s2d01tfj@news3.newsguy.com,
"OneActor1@aol.com" <OneActor1@aol.com> wrote:

> All of them were connected to a Denon A/V
> reciever via optical connection

The mistake is not using the CD Player's DAC and Analog stages - if you use
the optical output, you are only hearing the ability DAC in your receiver --
it is no wonder you didn't hear any difference.

Klipsch is a great company, but there are speakers that are much better
transducers out there, though credit to Klipsch, they all cost more $$$.
 
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On 1/11/05 7:43 PM, in article cs1rs501su0@news3.newsguy.com,
"nabob33@hotmail.com" <nabob33@hotmail.com> wrote:

>> Take a $500 NAD C542 against a Arcam CD192 ($1700) - you will hear a
>> definite improvement more detail, better high end and low end. Will
> be
>> about 20% or so better, but better overall none the less.
>
> Sure, if you know which one cost 240% more. But can you even tell them
> apart without looking?

I can - pretty easily as I have both in my stack. Both are affordable
enough to not really worry about "which one costs more" or anything, so I
tend not to worry about it. The NAD is used for HDCD, though the Arcam is
good enough that the HDCD discs don't sound bad at all.
 
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B&D wrote:
> On 1/10/05 9:23 PM, in article crvdbg01qt6@news1.newsguy.com,
> "nabob33@hotmail.com" <nabob33@hotmail.com> wrote:
>
> >> You believe doing those things right cost $4.5K more?
> >>
> >> The transports used in the $$$ players are just the same as those
> > used
> >> in players that cost an order of magnitude less. (In some cases
> > grossly
> >> inferior transports were used, like the belt-driven ones.) The DAC
> > chips
> >> used are often the same or even older than the ones used in the
> >> mass-manufactured players. Not that you are likely to hear the
> >> differences resulting from different DAC's used.
> >>
> > Then there's the power supply. I can understand why a robust power
> > supply is essential to a good amp, but I have a CD player that runs
on
> > two AA batteries. Now, I'm not saying it's perfect, but if you can
run
> > a player *at all* on that kind of juice, it's highly unlikely that
you
> > need your own generating station to get distortion-free sound out
of a
> > CD player.
>
> In general, low source impedance under load is important to avoid
voltage
> droop under the audio waveform [this would cause audible distortion
if bad
> enough], and in a really cost reduced power supply, you can get some
noise
> and harmonics form the line to the power for the electronics
[generally a
> 60Hz harmonic hum + other noise from switching power supplies with
bad input
> filters]. Most modest gear is good enough, but in some the power
supply is
> cost reduced.

I suspect ALL modest gear is cost-reduced. The question is, do the
compromises affect the sound to an extent that is audible? I've never
heard a 60Hz hum from a CD player (and I've listened to lots of
cheapies), nor have I ever seen published measurements that would
suggest that this (or voltage droop) is even an occasional problem. On
the other hand, I have seen reviews of >$1k CD players that didn't
offer flat frequency response.

bob
 
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Archived from groups: rec.audio.high-end (More info?)

B&D wrote:

> On 1/10/05 8:52 PM, in article crvbgj01o6b@news1.newsguy.com, "Tat Chan"
> <le_king_num_7@hotmail.com> wrote:
>
>

> If you don't want the unvarnished truth of the recording - I can't say you
> are very much interested in high end.

How does that explain the reemergence of vinyl, "non wire with gain"
valve (tube) amps and SETs?

There is even a high-end CD player (can't remember the name off hand)
that does not have an anti-aliasing filter in its output stage!


> Even if you were to ask 'phile and
> TAS editors (minor demons on this NG) their opinion - would they rather have
> accurate and revealing or warm and mushy and inaccurate - they would
> probably say that accuracy was first.

It would be interesting to hear the response from the editors of those
magazines.
 
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<OneActor1@aol.com> wrote in message news:cs1s2d01tfj@news3.newsguy.com...
> <<Take a $500 NAD C542 against a Arcam CD192 ($1700) - you will hear a
> definite improvement more detail, better high end and low end. Will be
> about 20% or so better, but better overall none the less.>>
>
> I'm sorry, but my own tests have proven this notion to be false. I
> compared CD players from a broad spectrum of price points and by
> various manufacturers. All of them were connected to a Denon A/V
> reciever via optical connection and the Denon was powering Klipsch
> Reference Series speakers. I was unable to detect ANY difference in
> sonic quality between the units. Similar tests have been done elsewhere
> to the same effect.

You realize, I hope, that most of use with music foremost (ahead of home
theatre) still listen to the analog outputs of their CD players, or at least
of an external DAC. Thus the entire design of the unit(s) come into play,
not just the digital decoding. The analog sections and power supply design
often "make or break" the resulting sound.
 
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"B&D" <bromo@ix.netcom.com> wrote in message
news:cs1s0601t9m@news3.newsguy.com...
> On 1/10/05 9:23 PM, in article crvdbg01qt6@news1.newsguy.com,
> "nabob33@hotmail.com" <nabob33@hotmail.com> wrote:

>snip<

> Proper filtering and regulation if using AC, as well as "enough juice" to
> support your load without appreciable droop [causing audible distortion]
> will generally give excellent results. It is not really difficult and
> terribly expensive to do a decent job, but this is one section that is
> usually shorted in mass market and over designed in high end stuff.
>
> Like I said before, batteries are *excellent* power supplies - just kind
of
> a pain to work with in a non portable setup.
>
> Some preamps and other high end gear uses batteries (a company called
"Edge"
> does, I believe) - and at least 1 kit I know of.

My old Marcoff PPA-2 from 1982 uses 9 volt rechargeable or alkaline...and
does a magnificent job of MC amplification with a dead-quiet "black'
background. Particularly for this application, batteries make a lot of
sense.