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Arny Krueger
 
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Default A Couple of questions on audioquest power cords and CD-Rs

"Stewart Pinkerton" wrote in message
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On Thu, 15 Jul 2004 20:01:53 +0200, François Yves Le Gal
wrote:

On Thu, 15 Jul 2004 17:09:52 +0000 (UTC), Stewart Pinkerton
wrote:

I forget the number,


I.e. our resident drunkard doesn't know squat about the subject. As
usual.


Interesting that your reply was entirely without substance - as usual.


A number of Frankies posts also show a lot of that bad faith that he used to
complain about.


  #122   Report Post  
Robert Orban
 
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Default A Couple of questions on audioquest power cords and CD-Rs

In article ,
says...


On Sun, 11 Jul 2004 11:24:43 +0300, Fella wrote:


Hi,


My system is as follows:
Densen beat b100 mk5 amp
Cambridge audio azur 640c cd player
Sonus Faber Concerto Grand Piano speaks
QED xtube 300 speaker wire + banana plugs

Anyways, recently a freind of mine was selling a pair of audioquest
power cords (their best) with "rf stoppers".. Being a sceptic of "power
cords" making a difference, etc, I still wanted to try it out so he gave
htem to me for an audition... So I tried them out, thinking what could
it possibley hurt?

I don't if the following effects I've experienced are "placebo" or not:
increase and more control in the bass, sweeter more extended treble,
more discernable and detailed micro dynamics. It was as if it was a REAL
upgrade of some sorts, a new cd player, a better amp ??

It was a pretty good system in the first place, but now the thing sounds
like a $30000 setup!

I am just thinking that "it's just freakin power, how could this be?"

But here comes the most curious part.. The azur cd player made "tak tak
tak" mechanical noise on some cd's, very AUDIBLE for instance with the
philip glass "koyaanisqatsi" cd, so much that it distracted from the
music on quiter passages. But with the audioquest used as power cord on
the azur even this mechanical noise disappeared!! ... Now asking you
guys (and why not gals?), any educated opinions as to how this is possible??

One last question: taking backup from my old CD's (notibly charlie haden
"ballad of the fallen") I've encountered a very annoying problem that
make these backups practically useless: On continuous pieces with track
numbers changing in the middle my CD player plays the tracks normally,
there is no cut off between tracks, the music does not cut, with the
original. But with the CD-r versions the player cuts the music to give a
two second in-between tracks silence which needles to say divides the
music and spoils the whole experience, the whole concept of the CD. Not
only the azur, but also a very expensice naim cd5 is doing the same
thing with the cd-r? Any ideas as to how I can overcome this problem?
SOme software (better then HP record now) or some special tye of cdr
made for audio specifically??

Any help much apreeciated, much obliged, happy listening.


Q1. If you want to test the effect of the RF stoppers on the power
cables, turn the volume up and listen with no music playing. That is
where the difference will lie - anything you hear in the music itself
is you fooling yourself, I'm afraid.

As to the question of the gaps between tracks on your CDR, when you
record a CDR, inter-track gap is one of the parameters you specify -
you must set it to zero, or this is what will happen. I don't know
what software you are using, and whether it offers this facility - if
it doesn't, you must find some that does.


When dubbing CDs, I use Exact Audio Copy not only to extract the WAV files but
also to create a *.CUE file. Dragging and dropping the *.CUE file to NERO
results in Nero's duplicating exactly the spacings originally detected by EAC.

  #123   Report Post  
Laurence Payne
 
Posts: n/a
Default A Couple of questions on audioquest power cords and CD-Rs

On Thu, 15 Jul 2004 07:55:06 -0400, "Arny Krueger"
wrote:

A couple of ferrite rings on a power cable COULD make a difference?


*anything* can make a difference in a sufficiently pathological
circumstance.

But back in the real world, well-designed gear works as delivered and snake
oil is just that.


Ferrite rings are FAR too cheap to be snake oil :-)

I've got several bits of gear here which include one on the power cord
as standard. Are you sure you're aiming at the right target?
  #124   Report Post  
Laurence Payne
 
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Default A Couple of questions on audioquest power cords and CD-Rs

On Thu, 15 Jul 2004 12:56:34 +0100, Don Pearce
wrote:

Interesting. Is the requirement not to PRODUCE interference, or to
be adequately shielded against it?


When you are designing electronic equipment, the one pretty much
implies the other. Bear in mind though that the topic here is
conducted interference, not radiated. The power supply in any piece of
audio equipment is a massively effective lowpass filter.


Yup. But which is the legal requirement?
  #125   Report Post  
Laurence Payne
 
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Default A Couple of questions on audioquest power cords and CD-Rs

On Fri, 16 Jul 2004 01:53:30 +0200, François Yves Le Gal
wrote:


Ferrite rings are FAR too cheap to be snake oil :-)


You've never seen Audioquest branded ferrite clips at 40 USD per pair...


And I hope I never do :-)


  #126   Report Post  
Don Pearce
 
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Default A Couple of questions on audioquest power cords and CD-Rs

On Fri, 16 Jul 2004 00:32:38 +0100, Laurence Payne
wrote:

On Thu, 15 Jul 2004 12:56:34 +0100, Don Pearce
wrote:

Interesting. Is the requirement not to PRODUCE interference, or to
be adequately shielded against it?


When you are designing electronic equipment, the one pretty much
implies the other. Bear in mind though that the topic here is
conducted interference, not radiated. The power supply in any piece of
audio equipment is a massively effective lowpass filter.


Yup. But which is the legal requirement?


Outbound.

d
Pearce Consulting
http://www.pearce.uk.com
  #127   Report Post  
Stewart Pinkerton
 
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Default A Couple of questions on audioquest power cords and CD-Rs

On Fri, 16 Jul 2004 05:50:34 +0100, Don Pearce
wrote:

On Fri, 16 Jul 2004 00:32:38 +0100, Laurence Payne
wrote:

On Thu, 15 Jul 2004 12:56:34 +0100, Don Pearce
wrote:

Interesting. Is the requirement not to PRODUCE interference, or to
be adequately shielded against it?

When you are designing electronic equipment, the one pretty much
implies the other. Bear in mind though that the topic here is
conducted interference, not radiated. The power supply in any piece of
audio equipment is a massively effective lowpass filter.


Yup. But which is the legal requirement?


Outbound.


Actually, both in the EU, as susceptibility is also measured. Of
course, as alreeady noted, a manufacturer can simply state that his
equipment meets the requirements, without actually having to submit it
for third-party testing.
--

Stewart Pinkerton | Music is Art - Audio is Engineering
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