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Andy Evans September 11th 06 11:18 PM

Apogee mini dac or Benchmark DAC1
 
All it has to do is sound as *realistic* as possible for me - that's
*my* realistic, not anyone else's and it definitely helps if I can hear
*all* of the voices, *all* of the words (where applicable) and *all* of
the instruments. Keith.

Keith, you're definitely heading for one of my small-DHT preamps - I
can give you all the kit bits cheap and you can assemble it. Don't ask
me why, but these small DHTs have a clarity I don't find in any other
amplification stage. You have a little treat in store. Andy


Wally September 11th 06 11:19 PM

Apogee mini dac or Benchmark DAC1
 
Eeyore wrote:

Are you saying that all "audio professionals" produce nothing but
peerless recordings which cannot be improved upon?


It's simply anyone's opinion as to whether the original recording was
peerless or not.


In case you're referring to a multitrack before mastering, I was meaning the
final stereo mix that one purchases from a record shop.


You can be pretty confident that those ppl doing the
job are better at it than you might be though.


How do you work that out?


As to improving on it - my opinion is quite simple. You can 'modify'
it to suit your taste but it is what it is, warts and all.


If it's anybody's guess whether the recording is peerless to begin with, I
put it to you that the notions 'improved upon' and 'modified' are not
neccessarily mutually exclusive.


Certainly no particular 'flavour' of circuitry will produce an
impeccable result everytime when fed with varying quality of source
material. The method I favour is to aim for neutrality in
reproduction and accept such flaws as exist as they are rather than
try to 'paint them out' and lose all the good bits in the process.


To hell with neutrality. I aim for what I like the sound of.

Answer this, Donkey Boy: What is music *for*?


--
Wally
www.wally.myby.co.uk
Stress: You wake up screaming and realise you haven't fallen asleep yet.



Eeyore September 11th 06 11:24 PM

Apogee mini dac or Benchmark DAC1
 


Keith G wrote:

"Eeyore" wrote

Clipping *is* to be deprecated you know.


Tell that to the people who produced 80% of the last, say, 100 CDs I've
MP3'd to HDD.....


Bloody DJs and their ilk most likely.

The thorn in the flesh of pro-audio.

Graham


Eeyore September 11th 06 11:28 PM

Apogee mini dac or Benchmark DAC1
 


Keith G wrote:

"Eeyore" wrote
Keith G wrote:


Eeyor, you got some catching up to do. I'm taking the **** out of Arny, I
don't consider 'legacy amps' and 70s transistor stuff to be crap


Plenty of both *are* though.


Sure, but not *all* simply by token of being old....


Not *all* for sure.


Have you ever tried say a well-designed mosfet amp for comparison ?


Not sure that I have - there's been a lot of stuff through here in the last
few years....

Recommend one and I'll see if I can get hold of one.


The best one I know is one I designed myself actually. I have a couple here in
need of 'refurbing'. It was in some respects close to a 'no-compromise' design
albeit 16 yrs old now but aimed at pros so has fan cooling which isn't ideal of
course for domestic use. 12 output mosfets per channel btw !

It's a stonking piece of kit for sure. I challenge anyone to be rude about it.

Graham



Eeyore September 11th 06 11:36 PM

Apogee mini dac or Benchmark DAC1
 


Wally wrote:

Eeyore wrote:

Are you saying that all "audio professionals" produce nothing but
peerless recordings which cannot be improved upon?


It's simply anyone's opinion as to whether the original recording was
peerless or not.


In case you're referring to a multitrack before mastering, I was meaning the
final stereo mix that one purchases from a record shop.


It's good that you recognise the subtle difference.

The mastering engineer is indeed the final guy who gets to review it.

CD technology has meant that no compromises have to be made in producing a
master compared to the case in the days of vinyl. Nevertheless a mastering
engineer may well 'equalise for CD' ( whatever that means ) and normalise
listening levels to optimise the 'CD experience'. That's an 'artistic' decision.



You can be pretty confident that those ppl doing the
job are better at it than you might be though.


How do you work that out?


How does anyone get to work in that industry ? How familiar are you with it ?


As to improving on it - my opinion is quite simple. You can 'modify'
it to suit your taste but it is what it is, warts and all.


If it's anybody's guess whether the recording is peerless to begin with, I
put it to you that the notions 'improved upon' and 'modified' are not
neccessarily mutually exclusive.

Certainly no particular 'flavour' of circuitry will produce an
impeccable result everytime when fed with varying quality of source
material. The method I favour is to aim for neutrality in
reproduction and accept such flaws as exist as they are rather than
try to 'paint them out' and lose all the good bits in the process.


To hell with neutrality. I aim for what I like the sound of.

Answer this, Donkey Boy: What is music *for*?


It's for listening to of course !

If you like Daddy's Sauce on your steak let me be the last to criticise your
choice.

Graham


Wally September 12th 06 12:39 AM

Apogee mini dac or Benchmark DAC1
 
Eeyore wrote:

How does anyone get to work in that industry ? How familiar are you
with it ?


If you have to ask that question, you were in no position to make the
previous statement.


It's for listening to of course !


Try again.


--
Wally
www.wally.myby.co.uk
You're unique - just like everybody else.



Eeyore September 12th 06 01:09 AM

Apogee mini dac or Benchmark DAC1
 


Wally wrote:

Eeyore wrote:

How does anyone get to work in that industry ? How familiar are you
with it ?


If you have to ask that question, you were in no position to make the
previous statement.

It's for listening to of course !


Try again.


Troll.

Graham



Iain Churches September 12th 06 05:38 AM

Apogee mini dac or Benchmark DAC1
 

"Andy Evans" wrote in message
oups.com...
All it has to do is sound as *realistic* as possible for me - that's
*my* realistic, not anyone else's and it definitely helps if I can hear
*all* of the voices, *all* of the words (where applicable) and *all* of
the instruments. Keith.

Keith, you're definitely heading for one of my small-DHT preamps - I
can give you all the kit bits cheap and you can assemble it. Don't ask
me why, but these small DHTs have a clarity I don't find in any other
amplification stage. You have a little treat in store. Andy


Andy. That sounds like a temptation too great for Keith to resist:-)
Can you tell us more about DHT preamp valves, please.

A separate thread might be a good idea, as we seem to be quite a
long way off the original topic.

Regards
Iain




Iain Churches September 12th 06 05:43 AM

Apogee mini dac or Benchmark DAC1
 

"Eeyore" wrote in
message ...


Nevertheless a mastering
engineer may well 'equalise for CD' ( whatever that means ) and normalise
listening levels to optimise the 'CD experience'. That's an 'artistic'
decision.

Sorry Graham. Can't agree. I attend several CD mastering
sessions a month EQ and level "optimisation" (that's the correct
term) are used solely to make the finished CD sound as loud
as possible.This is a decision forced by commercial pressure,
to which only certain sectors of the market are subject. It has
nothing whatsoever to do with "art".

Regards
Iain




Iain Churches September 12th 06 05:55 AM

Apogee mini dac or Benchmark DAC1
 

"Wally" wrote in message
...
Eeyore wrote:

I really sometimes wonder what the audiophool nuts reckon audio
professionals do for a living ?

Maybe they missed the fact that it isn't audiophools who actually
make the recordings, mix them down, master them and press them ? Only
then do the terminally clueless get a chance to think they can
somehow make it better than the original, which may have passed
through a thousand well-designed op-amp stages on its way to its
destination !


Are you saying that all "audio professionals" produce nothing but peerless
recordings which cannot be improved upon?



I think it's pretty safe to say that we make a better job than the
"armchair experts" probably would:-)

It is interesting to sit such a person, who tells you he/she knows
*exactly how it should sound* at the console during a 24 track
mixdown (I have done this experiment several times) You tell them
not to worry about the tricky bits, EQ, compressors, limiters,
audio processing etc, just get the tracks roughly in balance.
After about twenty minutes of fader leapfrogging, all meters are
at +8dBFS, and all faders are open as far as they will go.
The balance is in chaos. Then comes the question;
" How do I get more drums?" :-))

Iain




Iain Churches September 12th 06 05:56 AM

Apogee mini dac or Benchmark DAC1
 

"Arny Krueger" wrote in message
. ..
"Keith G" wrote in message


What do you people play recorded music for - to be
entertained and pleased


Yeah, and there's a ton of music in this world that does not need to be
wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??


That seems to be what you tube bigots do.

Arny. Why do you choose to call people who use/enjoy tube amps
"bigots" Is this in keeping with your new-born Christian beliefs?

Iain





Iain Churches September 12th 06 05:59 AM

Apogee mini dac or Benchmark DAC1
 

"Andy Evans" wrote in message
oups.com...
What they are confusing this with is their preference for an
intentionally flawed but
entirely pleasnt and relatively benign form of distortion. Nothing
wrong with their
listening preference but the presentation of this as inherently
superior is utterly
bogus.

The idea that valves are simply "added distortion" and nothing else
could only be made by somebody with a) very little knowledge of modern
valve circuits and how they sound or b) somebody with cloth ears.



A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated by
tube amplifiers. Music lovers in this sector (many of who
have speakers at 10k a pair) are highly discerning."

end of quote.

Iain




Jim Lesurf September 12th 06 08:15 AM

Apogee mini dac or Benchmark DAC1
 
In article .com,
Andy
Evans wrote:
My "straw man argument" detector just triggered. :-) Slainte, Jim


I was hoping for something along the lines of:


"carefully presenting and refuting a weakened form of an opponent's
argument is not always itself a fallacy. Instead, it restricts the scope
of the opponent's argument, either to where the argument is no longer
relevant or as a step of a proof by exhaustion".


It is not a "weakened form" to write an opinion of your own and then
pretend it was what someone else wrote. I wrote what I meant, you
made up something else to argue with.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html

Jim Lesurf September 12th 06 08:29 AM

Apogee mini dac or Benchmark DAC1
 
In article , Iain Churches
wrote:


A Swedish "very high end" dealer told me just recently: quote:


" The very top of the audio market is totally dominated by tube
amplifiers. Music lovers in this sector (many of who have speakers at
10k a pair) are highly discerning."


Was "top" a subjective judgement, or a comment on the prices and
his markup profits for "very high end" equipment? :-)

Afraid I don't have any 10k speakers. Do two pairs of ESLs count?[1]

Or would it be silly of me to confuse the price of the equipment with the
levels of musical enjoyment or 'discernment' of the listener?... ;-

Slainte,

Jim

[1] Come to think of it, does a pair of ESL988's register as '10k'
in whatever monetary units you had in mind? Would I be more discerning
if I emigrated to Zimbabwe? 8-] ... or did you mean 10k Ohms, and
speakers which allow the user to avoid an output transformer on the
valve amp? ;-

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html

Andy Evans September 12th 06 08:58 AM

Apogee mini dac or Benchmark DAC1
 
Andy. That sounds like a temptation too great for Keith to resist:-)
Can you tell us more about DHT preamp valves, please.

DHT small tubes were made in the 20s and 30s in large numbers, and some
after that until all production died out eventually. All that is
available today is NOS (with one or two boutique exceptions - may be
useful for high end), unlike DHT large tubes which are still in
production (300b etc). Apart from availability they have two problems
which need to be overcome:
a) They can be microphonic, from airborne/chassis induced vibrations.
Users need to find a solution for this, which includes mass in the
chassis, decoupling feet, O rings, differential stages instead of SE,
or any combination.
b) Although they run off good DC like a bench supply, to sound their
best they need a sophisticated filament supply including a current
source.

When you have dealt with the above you are rewarded with a clarity and
delicacy which gets quite addictive - you can't go back to directly
heated small tubes, judging by the colleagues I have that use them. You
then start to stockpile the little buggers since they are shooting up
in price. I have 500 so I'm pretty future proof, and that's about the
numbers my friends have stockpiled too. I'm counting on the fact that
they're an investment - hope I'm correct. They're certainly getting
more expensive month by month almost. Dealers still have some, but it's
usually ebay.

Many are familiar with sticking a DHT at the end of the amplification
chain, but put it right at the start in the preamp and it makes even
more of a difference. Andy


Iain Churches September 12th 06 10:02 AM

Apogee mini dac or Benchmark DAC1
 

"Andy Evans" wrote in message
oups.com...
Andy. That sounds like a temptation too great for Keith to resist:-)
Can you tell us more about DHT preamp valves, please.

DHT small tubes were made in the 20s and 30s in large numbers, and some
after that until all production died out eventually. All that is
available today is NOS (with one or two boutique exceptions - may be
useful for high end), unlike DHT large tubes which are still in
production (300b etc). Apart from availability they have two problems
which need to be overcome:
a) They can be microphonic, from airborne/chassis induced vibrations.
Users need to find a solution for this, which includes mass in the
chassis, decoupling feet, O rings, differential stages instead of SE,
or any combination.
b) Although they run off good DC like a bench supply, to sound their
best they need a sophisticated filament supply including a current
source.

When you have dealt with the above you are rewarded with a clarity and
delicacy which gets quite addictive - you can't go back to directly
heated small tubes, judging by the colleagues I have that use them. You
then start to stockpile the little buggers since they are shooting up
in price. I have 500 so I'm pretty future proof, and that's about the
numbers my friends have stockpiled too. I'm counting on the fact that
they're an investment - hope I'm correct. They're certainly getting
more expensive month by month almost. Dealers still have some, but it's
usually ebay.

Many are familiar with sticking a DHT at the end of the amplification
chain, but put it right at the start in the preamp and it makes even
more of a difference. Andy



Andy. Now you have got me interested. Can you supply some type
numbers to look out for?

So far, the most sonically rewarding valve I have found is the 6SN7.
It has none of the problems you mention above, and so I wonder what
extra benefits you get from DHT to offset the construction problems.

Cheers
Iain



Keith G September 12th 06 11:01 AM

Apogee mini dac or Benchmark DAC1
 

"Eeyore" wrote in
message ...


Keith G wrote:

"Eeyore" wrote

Clipping *is* to be deprecated you know.


Tell that to the people who produced 80% of the last, say, 100 CDs I've
MP3'd to HDD.....


Bloody DJs and their ilk most likely.



No, I'm talking about commercial CDs here - as bought 'off the shelf'.....


The thorn in the flesh of pro-audio.



Which, of course, is not what this group's about.....





Keith G September 12th 06 11:05 AM

Apogee mini dac or Benchmark DAC1
 

"Iain Churches" wrote in message
. ..

"Andy Evans" wrote in message
oups.com...
What they are confusing this with is their preference for an
intentionally flawed but
entirely pleasnt and relatively benign form of distortion. Nothing
wrong with their
listening preference but the presentation of this as inherently
superior is utterly
bogus.

The idea that valves are simply "added distortion" and nothing else
could only be made by somebody with a) very little knowledge of modern
valve circuits and how they sound or b) somebody with cloth ears.



A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated by
tube amplifiers. Music lovers in this sector (many of who
have speakers at 10k a pair) are highly discerning."



No more so than some of us nearer the *bottom* of the pond, I would hope!!
;-)





Andy Evans September 12th 06 11:15 AM

Apogee mini dac or Benchmark DAC1
 
Iain - these DHTs are quite a bit better than a 6SN7. I'd suggest you
try this for home use rather than studio at this stage, and see how you
get on. the usual recommendation is the 26 because it's good and
plentiful. Personally I find it warm (think 300b - but some colleagues
like this fuller sound), so prefer the leaner sounds of the 30 and 31,
which are cheaper than the more widely used 01A, 12A and such. There's
a family resemblence anyway, so you won't go far wrong. I don't think
it's neessary to splash out on the 71A or 10Y though they have their
fans. There are a stack of European DHTs as well, and one or two
octals, plus some double triodes (loctal, octal, 7 pin bases) which
have a common cathode. Lastly there's the wire leadout miniature 5676.
I have all the above.

Email me if you want details of the filament supply we're currently
using. We're trying to make some PCBs for the filamant supply, should
come through in a month or two. Andy


Iain Churches September 12th 06 11:17 AM

Apogee mini dac or Benchmark DAC1
 

"Keith G" wrote in message
...

"Iain Churches" wrote in message
. ..

"Andy Evans" wrote in message
oups.com...
What they are confusing this with is their preference for an
intentionally flawed but
entirely pleasnt and relatively benign form of distortion. Nothing
wrong with their
listening preference but the presentation of this as inherently
superior is utterly
bogus.

The idea that valves are simply "added distortion" and nothing else
could only be made by somebody with a) very little knowledge of modern
valve circuits and how they sound or b) somebody with cloth ears.



A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated by
tube amplifiers. Music lovers in this sector (many of who
have speakers at 10k a pair) are highly discerning."



No more so than some of us nearer the *bottom* of the pond, I would hope!!
;-)



No indeed. But it illustrates that those with *both* impeccable
taste *and* lashings of the elusive spondoolicks pick valve amps.
For them, unlike the rest of us, it's not down to DIY, fettling
or e.Bay:-))

Iain



Keith G September 12th 06 11:17 AM

Apogee mini dac or Benchmark DAC1
 

"Wally" wrote


If it's anybody's guess whether the recording is peerless to begin with, I
put it to you that the notions 'improved upon' and 'modified' are not
neccessarily mutually exclusive.


Certainly no particular 'flavour' of circuitry will produce an
impeccable result everytime when fed with varying quality of source
material. The method I favour is to aim for neutrality in
reproduction and accept such flaws as exist as they are rather than
try to 'paint them out' and lose all the good bits in the process.


To hell with neutrality. I aim for what I like the sound of.



The problem here is the 'producers' (pros/retired pros/self-styled pros who
aren't really pros/wannabee pros who never will be pros) can't even create a
neutral product. Never mind that they should try to dictate what we, the
consumers, do with it once we've bought it....



Keith G September 12th 06 11:22 AM

Apogee mini dac or Benchmark DAC1
 

"Iain Churches" wrote in message
. ..

"Arny Krueger" wrote in message
. ..
"Keith G" wrote in message


What do you people play recorded music for - to be
entertained and pleased


Yeah, and there's a ton of music in this world that does not need to be
wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??


That seems to be what you tube bigots do.

Arny. Why do you choose to call people who use/enjoy tube amps
"bigots" Is this in keeping with your new-born Christian beliefs?




Standard 'Christian' behaviour - I never yet met a God-Botherer who wasn't
*drenched* in hypocrisy....





Eeyore September 12th 06 11:35 AM

Apogee mini dac or Benchmark DAC1
 


Iain Churches wrote:

"Eeyore" wrote in
message ...

Nevertheless a mastering
engineer may well 'equalise for CD' ( whatever that means ) and normalise
listening levels to optimise the 'CD experience'. That's an 'artistic'
decision.


Sorry Graham. Can't agree. I attend several CD mastering
sessions a month EQ and level "optimisation" (that's the correct
term) are used solely to make the finished CD sound as loud
as possible.This is a decision forced by commercial pressure,
to which only certain sectors of the market are subject. It has
nothing whatsoever to do with "art".


That may be typical of widespread current practice but it's not the only way to
do it.

Graham


Iain Churches September 12th 06 11:47 AM

Apogee mini dac or Benchmark DAC1
 

"Eeyore" wrote in
message ...


Iain Churches wrote:

"Eeyore" wrote in
message ...

Nevertheless a mastering
engineer may well 'equalise for CD' ( whatever that means ) and
normalise
listening levels to optimise the 'CD experience'. That's an 'artistic'
decision.


Sorry Graham. Can't agree. I attend several CD mastering
sessions a month EQ and level "optimisation" (that's the correct
term) are used solely to make the finished CD sound as loud
as possible.This is a decision forced by commercial pressure,
to which only certain sectors of the market are subject. It has
nothing whatsoever to do with "art".


That may be typical of widespread current practice but it's not the only
way to
do it.


As I said, this applies to certain sectors of the market, and thankfully
does
not include the genre in which I work, classical and jazz.

Iain




Keith G September 12th 06 11:48 AM

Apogee mini dac or Benchmark DAC1
 

"Eeyore" wrote in
message ...


Keith G wrote:

"Eeyore" wrote

snip crap

I really sometimes wonder what the audiophool nuts reckon audio
professionals do for a living ?


Well, according to some sources, they could turn one of Beethoven's
bottled
farts into his 10th Symphony if they wanted to, but let's not go there...


Those sources haven't a clue. It does however sound like a popular
audiophool
misrepresentation.




You keep using this word 'audiophool' - are you including me here??

The idea that Sound Engineers can turn some highly shaggable bimbo's
toneless wailing into a number one hit comes as much from the media (TV
programmes) as anywhere else...



That's just fine.

I've never had any issue with anyone who chooses to use electronics
creatively
to alter the listening experience to suit their taste as long as they're
honest
about it.



Honest?


What does offend me is those who present 'their way' as the only true one
and
are wholly dishonest about the methods they use and then present them as
'superior' to the path of neutral accuracy.



I think you want to direct that toward the Denial Boys here - with their
'low distortion SS/digital is the only way to go' dogma.

As to 'neutral accuracy', how many times do you need to be told it isn't the
be-all and end-all for everyone here and that some of us discern/perceive a
greater *realism* from what might well be regarded as a non-neutral,
'innacurate' method of reproduction...??

Let me put that simply and speak only for myself - I can do 'blameless' any
time I want (I have all the ingredients), but I passed through that stage a
long time ago. The route I have followed since has taken me to *far greater*
pleasure than the flat, blurry, two-dimensional and *boring* sound that
nice, safe, 'low distortion' SS kit on modern multiway speakers tends to
produce - which is perfectly OK for movies, the telly or 'wallpaper radio',
of course...

(It obviously never did 'cut the mustard' for me for *music* or I wouldn't
have bothered searching for summat better, would I? ;-)



Neutral, as I've hinted at a couple of times isn't always maybe the
'easiest
listening experience' but it can be a true revalation.




'Neutral' on SS kit would be OK if you could actually hear all the *detail*
for a start....!!



Do you have Joni Mitchell's Blue btw ? It has a number of flaws imho but
it's
well worth listening to 'straight'. I use it as one of my regular
references as
it happens.



No, asitappens - I have a number of Joni Mitchell albums, but that isn't one
of them. I'm not her greatest fan....





Keith G September 12th 06 11:50 AM

Apogee mini dac or Benchmark DAC1
 

"Keith G" wrote in message
...

"Iain Churches" wrote in message
. ..

"Arny Krueger" wrote in message
. ..
"Keith G" wrote in message


What do you people play recorded music for - to be
entertained and pleased

Yeah, and there's a ton of music in this world that does not need to be
wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??

That seems to be what you tube bigots do.

Arny. Why do you choose to call people who use/enjoy tube amps
"bigots" Is this in keeping with your new-born Christian beliefs?




Standard 'Christian' behaviour - I never yet met a God-Botherer who wasn't
*drenched* in hypocrisy....



Or a seriously ****e driver....






Keith G September 12th 06 12:00 PM

Apogee mini dac or Benchmark DAC1
 

"Iain Churches" wrote in message
. ..

"Keith G" wrote in message
...

"Iain Churches" wrote in message
. ..

"Andy Evans" wrote in message
oups.com...
What they are confusing this with is their preference for an
intentionally flawed but
entirely pleasnt and relatively benign form of distortion. Nothing
wrong with their
listening preference but the presentation of this as inherently
superior is utterly
bogus.

The idea that valves are simply "added distortion" and nothing else
could only be made by somebody with a) very little knowledge of modern
valve circuits and how they sound or b) somebody with cloth ears.


A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated by
tube amplifiers. Music lovers in this sector (many of who
have speakers at 10k a pair) are highly discerning."



No more so than some of us nearer the *bottom* of the pond, I would
hope!! ;-)



No indeed. But it illustrates that those with *both* impeccable
taste *and* lashings of the elusive spondoolicks pick valve amps.
For them, unlike the rest of us, it's not down to DIY, fettling
or e.Bay:-))



:-)





Keith G September 12th 06 12:15 PM

Apogee mini dac or Benchmark DAC1
 

"Andy Evans" wrote in message
oups.com...
All it has to do is sound as *realistic* as possible for me - that's
*my* realistic, not anyone else's and it definitely helps if I can hear
*all* of the voices, *all* of the words (where applicable) and *all* of
the instruments. Keith.

Keith, you're definitely heading for one of my small-DHT preamps - I
can give you all the kit bits cheap and you can assemble it. Don't ask
me why, but these small DHTs have a clarity I don't find in any other
amplification stage. You have a little treat in store. Andy



OK. I have read the thread and Iain's dead right - this is temptation
indeed!

When I built the 2A3 LW SET I built a 'power amp only'version to avoid
problems in the pre-amp stage (it was my first scratch build) and because I
already had/have an EAR 834L Line Stage. The EAR has been boxed up ready for
eBaying/posting for a while now (haven't got round to it yet) as Swim jumped
on the sound for *veiled* every damn time I tried to use it!! The trouble
with the 2A3 is that it does need a little pre-ing to prevent the need to
push it too hard. Lately I have been using a nice Denon amp's pre section to
do this with great effect and also the bonus of remote control for 'volume'
&c. but what you suggest is very interesting....

Email me with some details and an idea of cost (pix too, if you have any)
but bear in mind if I do have a go it will be the basis for a webpage like
this!

http://www.apah69.dsl.pipex.com/trio...de_project.htm

;-)







Arny Krueger September 12th 06 12:57 PM

Apogee mini dac or Benchmark DAC1
 
"Keith G" wrote in message

"Arny Krueger" wrote in message
...
"Keith G" wrote in message


You've got more faith with some of these 'hot under the
collar' types than I have Andy - I take a lot of what
they say with a pinch of salt (large one). Most of 'em
have never heard a valve amp and some of the others have
only heard some old *legacy* struggler at best and seem
to forget what some of the transistor equipment from the
70s could sound like.....


And some of us jsut lately spent three days at a
well-known high end audio show, listening to bunches and
bunches of this crap. Did I say that it was crap?


What crap - legacy valve amps or 70s transistor equipment?


Actually, new production valve amps.

Or are you saying there were a *lot* of new valve amps
there?


Yes.

If there were it would tell us something - your
not liking them means nothing to me, almost certainly
nothing to the manufacturers or even the rest of the
world probably....?? ;-)


Fact is the matter is that almost nobody likes this crap - just a few
poorly-educated, well-funded, obsessive-compulsives.



Arny Krueger September 12th 06 12:59 PM

Apogee mini dac or Benchmark DAC1
 
"Eeyore"
wrote
in message
Keith G wrote:

"Arny Krueger" wrote in message
...
"Keith G" wrote in message


You've got more faith with some of these 'hot under the
collar' types than I have Andy - I take a lot of what
they say with a pinch of salt (large one). Most of 'em
have never heard a valve amp and some of the others
have only heard some old *legacy* struggler at best
and seem to forget what some of the transistor
equipment from the 70s could sound like.....

And some of us jsut lately spent three days at a
well-known high end audio show, listening to bunches
and bunches of this crap. Did I say that it was crap?


What crap - legacy valve amps


'Legacy' valve amps are currently being manufactured.


or 70s transistor equipment?


70s transistor equipment was last manufactured in then
ummm.... errrrr... 70s !


Or are you saying there were a *lot* of new valve amps
there? If there were it would tell us something - your
not liking them means nothing to me, almost certainly
nothing to the manufacturers or even the rest of the
world probably....?? ;-)


There is essentially no 'new' tube design possible due to
the serious fundamental limitations of the devices. Any
significant advances terminated in the 50s.


One irony is that there were very few commercial high-powered SETs until the
last decade or two. By the time there were tubes that could handle enough
power to be interesting, running audio amp output stages in push-pull had
become quite the rage.



Arny Krueger September 12th 06 01:01 PM

Apogee mini dac or Benchmark DAC1
 
"Eeyore"
wrote
in message

Keith G wrote:


does, he's on it all the time. I have a pair of
great-sounding amps that are about 40 years old and the
2A3 SET I built a year or two back is based on a 1929
design...!!


Have you ever tried say a well-designed mosfet amp for
comparison ?


A well-designed mosfet amp is going to have loop feedback and a
resonably-low output impedance. The "Keithe G" market is high-output-Z amps
that sound different with every different speaker they hook up, aside from
the differences in the speakers themselves.



Arny Krueger September 12th 06 01:07 PM

Apogee mini dac or Benchmark DAC1
 
"Eeyore"
wrote
in message
Arny Krueger wrote:

"Laurence Payne" lpayne1NOSPAM@dslDOTpipexDOTcom wrote
in
message
On Sat, 09 Sep 2006 16:42:49 +0100, Eeyore

wrote:

There is precious litle 'modern' about any valve
circuit. I learnt on them btw.

I've no doubt you know valves from ( ?50s, 60s?,
70s?), but you'd be very surprised at how much things
have changed.

There has been no change whatever. Tube technology
peaked in the early 50s.

Not the function of the
triode itself, which is well known, but the support
circuitry is now quite complex - cascode active loads,
constant current sinks etc. - a whole cuisine of
modern ss devices and traditional stuff like glow
tubes. It really is "nouvelle cuisine" if you pardon
the expression. We're not talking Mullard circuits
with EF86s and ECC83s any more.

Indeed, toobists now use semiconductors to help cure
the inherent flaws of thermionic devices.


Well, make your mind up! Either valve circuits have
changed or they haven't.


No, the proper term for the use of semiconductors to
help cure some of the inherent flaws of terminonic
devices is "hybrid". There has been some advance in the
design of hybrid circuits since the 1950s.


Nor is the mixed use of semiconductors and thermionics in
electronic equipment especially new either !


Agreed. A fair amount of the military equipment I worked on in the late 60s
was hybrid. Some was designed that way from scratch, and some was due to the
use of SS replacements for tubes. For example our 250-300 VDC power supplies
were designed to use 300Bs as power regulators, but they were mostly
replaced with SS modules that plugged into the same sockets.

The impact of SS electronics on this gear was extreme. The tubed equipment
tracked one target, weighed about 4 tons, used about 25 KW of 400 Hz 3
phase, and filled a dedicated trailer that barely fit under freeway bridges.
Its current SS replacment sits on the bed of a HUMV, tracks 100's of targets
concurrently, has about 5 times the range, and runs off a generator that a
couple of guys can heft around.



Arny Krueger September 12th 06 01:08 PM

Apogee mini dac or Benchmark DAC1
 
"Iain Churches" wrote in message

"Andy Evans" wrote in
message
oups.com...
What they are confusing this with is their preference
for an intentionally flawed but
entirely pleasnt and relatively benign form of
distortion. Nothing wrong with their
listening preference but the presentation of this as
inherently superior is utterly
bogus.

The idea that valves are simply "added distortion" and
nothing else could only be made by somebody with a) very
little knowledge of modern valve circuits and how they
sound or b) somebody with cloth ears.



A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated
by tube amplifiers. Music lovers in this sector (many of
who have speakers at 10k a pair) are highly discerning."


In short, he has a lot of respect for people that pay his way.

Proves nothing.



Keith G September 12th 06 01:08 PM

Apogee mini dac or Benchmark DAC1
 

"Arny Krueger" wrote in message
...
"Keith G" wrote in message

"Arny Krueger" wrote in message
...
"Keith G" wrote in message


You've got more faith with some of these 'hot under the
collar' types than I have Andy - I take a lot of what
they say with a pinch of salt (large one). Most of 'em
have never heard a valve amp and some of the others have
only heard some old *legacy* struggler at best and seem
to forget what some of the transistor equipment from the
70s could sound like.....

And some of us jsut lately spent three days at a
well-known high end audio show, listening to bunches and
bunches of this crap. Did I say that it was crap?


What crap - legacy valve amps or 70s transistor equipment?


Actually, new production valve amps.

Or are you saying there were a *lot* of new valve amps
there?


Yes.

If there were it would tell us something - your
not liking them means nothing to me, almost certainly
nothing to the manufacturers or even the rest of the
world probably....?? ;-)


Fact is the matter is that almost nobody likes this crap - just a few
poorly-educated, well-funded, obsessive-compulsives.




Denial of this magnitude is almost impressive, but your theories lose out to
the *facts* reported by Iain, I'm sorry to say....






Arny Krueger September 12th 06 01:09 PM

Apogee mini dac or Benchmark DAC1
 
"Keith G" wrote in message

"Arny Krueger" wrote


snip ********


What do you people play recorded music for - to be
entertained and pleased


Yeah, and there's a ton of music in this world that does
not need to be wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??


That seems to be what you tube bigots do.


Yeah, right - I post a quick and dirty recording, you
come on here and tell me how many times it clipped....


Just trying to explain why it sounded so bad.



Arny Krueger September 12th 06 01:09 PM

Apogee mini dac or Benchmark DAC1
 
"Keith G" wrote in message

"Eeyore"
wrote
in message
...


Keith G wrote:

"Arny Krueger" wrote

snip ********

What do you people play recorded music for - to be
entertained and pleased

Yeah, and there's a ton of music in this world that
does not need to be wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??

That seems to be what you tube bigots do.

Yeah, right - I post a quick and dirty recording, you
come on here and tell
me how many times it clipped....


No he didn't.




Yes he did, often - before your time....



Just trying to explain why it sounded bad. Keith had his training wheels on
and eventually he learned how to make a fairly competent transcription of
vinyl.



Keith G September 12th 06 01:11 PM

Apogee mini dac or Benchmark DAC1
 

"Arny Krueger" wrote in message
. ..
"Iain Churches" wrote in message

"Andy Evans" wrote in
message
oups.com...
What they are confusing this with is their preference
for an intentionally flawed but
entirely pleasnt and relatively benign form of
distortion. Nothing wrong with their
listening preference but the presentation of this as
inherently superior is utterly
bogus.

The idea that valves are simply "added distortion" and
nothing else could only be made by somebody with a) very
little knowledge of modern valve circuits and how they
sound or b) somebody with cloth ears.



A Swedish "very high end" dealer told me just recently:
quote:

" The very top of the audio market is totally dominated
by tube amplifiers. Music lovers in this sector (many of
who have speakers at 10k a pair) are highly discerning."


In short, he has a lot of respect for people that pay his way.

Proves nothing.




*Denial* is the 'Christian Way', eh Arny? :-)






Arny Krueger September 12th 06 01:12 PM

Apogee mini dac or Benchmark DAC1
 
"Andy Evans" wrote in
message
oups.com
All it has to do is sound as *realistic* as possible for
me - that's
*my* realistic, not anyone else's and it definitely helps
if I can hear
*all* of the voices, *all* of the words (where
applicable) and *all* of the instruments. Keith.

Keith, you're definitely heading for one of my small-DHT
preamps - I can give you all the kit bits cheap and you
can assemble it. Don't ask me why, but these small DHTs
have a clarity I don't find in any other amplification
stage. You have a little treat in store. Andy


DHT = Directly-Heated Triodes. They must be a treat to bias properly given
that the cathode isn't all at the same potential.



Arny Krueger September 12th 06 01:13 PM

Apogee mini dac or Benchmark DAC1
 
"Iain Churches" wrote in message

"Arny Krueger" wrote in message
. ..
"Keith G" wrote in message


What do you people play recorded music for - to be
entertained and pleased


Yeah, and there's a ton of music in this world that does
not need to be wallpapered to sound good.

or sit there with a notepad and
write down what defects you *think* you can hear....??


That seems to be what you tube bigots do.

Arny. Why do you choose to call people who use/enjoy tube
amps "bigots" Is this in keeping with your new-born
Christian beliefs?


Just calling things what I see them to be. I guess Iain would prefer that I
lie or obfuscate.



Keith G September 12th 06 01:16 PM

Apogee mini dac or Benchmark DAC1
 

"Arny Krueger" wrote in message
. ..
"Eeyore"
wrote
in message
Arny Krueger wrote:

"Laurence Payne" lpayne1NOSPAM@dslDOTpipexDOTcom wrote
in
message
On Sat, 09 Sep 2006 16:42:49 +0100, Eeyore

wrote:

There is precious litle 'modern' about any valve
circuit. I learnt on them btw.

I've no doubt you know valves from ( ?50s, 60s?,
70s?), but you'd be very surprised at how much things
have changed.

There has been no change whatever. Tube technology
peaked in the early 50s.

Not the function of the
triode itself, which is well known, but the support
circuitry is now quite complex - cascode active loads,
constant current sinks etc. - a whole cuisine of
modern ss devices and traditional stuff like glow
tubes. It really is "nouvelle cuisine" if you pardon
the expression. We're not talking Mullard circuits
with EF86s and ECC83s any more.

Indeed, toobists now use semiconductors to help cure
the inherent flaws of thermionic devices.


Well, make your mind up! Either valve circuits have
changed or they haven't.

No, the proper term for the use of semiconductors to
help cure some of the inherent flaws of terminonic
devices is "hybrid". There has been some advance in the
design of hybrid circuits since the 1950s.


Nor is the mixed use of semiconductors and thermionics in
electronic equipment especially new either !


Agreed. A fair amount of the military equipment I worked on in the late
60s was hybrid. Some was designed that way from scratch, and some was due
to the use of SS replacements for tubes. For example our 250-300 VDC power
supplies were designed to use 300Bs as power regulators, but they were
mostly replaced with SS modules that plugged into the same sockets.

The impact of SS electronics on this gear was extreme. The tubed equipment
tracked one target, weighed about 4 tons, used about 25 KW of 400 Hz 3
phase, and filled a dedicated trailer that barely fit under freeway
bridges. Its current SS replacment sits on the bed of a HUMV, tracks 100's
of targets concurrently, has about 5 times the range, and runs off a
generator that a couple of guys can heft around.




And all this relates to what, precisely....??






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