[time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread Maggie Leber
Golleee.


http://news.harmony-central.com/Newp/2007/Antelope-Audio-Isochrone-10M.html


I'm trying to decide if there's even the slightest chance that this
actually has any justification,
or if it's just the latest successor to the $500 wooden knobs and
Tube-o-lator chip lacquer. ...

http://www.museumofhoaxes.com/hoax/weblog/comments/4309/P20/

http://www.museumofhoaxes.com/hoax/weblog/permalink/altmann_tube_o_lator_lacquer


--
Margaret Stephanie Leber CCP, SCJP, SCWCD
 http://voicenet.com/~maggie
 AOPA 925383 - Amateur Radio Station K3XS - ARRL 39280 - AMSAT 32844
The art of progress is to preserve order amid change
 and to preserve change amid order.-A.N.Whitehead

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Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], Magg
ie Leber writes:

http://news.harmony-central.com/Newp/2007/Antelope-Audio-Isochrone-10M.html

Somebody will buy it, you can sell anything to hifi-nuts.

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.

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Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread John Ackermann N8UR
Thanks for making my day, Maggie!  While there's some value, I guess, in
an accurate, stable, and low jitter clock source for audio work, I
suspect the fancy panel and pretentious title add a nice multiplier to
the price of a low-end Rb!

By the way -- the $500 knob is one of my favorites.  If you ever are
bored, google for audiophile and you'll soon find yourself in a world
of the most amazing hogwash -- multi-kilobuck power cables, and $30K
speaker cables!

I sometimes worry about our obsession, but at least what we do can
actually be measured. :-)

73,
John


Maggie Leber said the following on 04/19/2007 09:35 AM:
 Golleee.
 
 
 http://news.harmony-central.com/Newp/2007/Antelope-Audio-Isochrone-10M.html
 
 
 I'm trying to decide if there's even the slightest chance that this
 actually has any justification,
 or if it's just the latest successor to the $500 wooden knobs and
 Tube-o-lator chip lacquer. ...
 
 http://www.museumofhoaxes.com/hoax/weblog/comments/4309/P20/
 
 http://www.museumofhoaxes.com/hoax/weblog/permalink/altmann_tube_o_lator_lacquer
 
 
 --
 Margaret Stephanie Leber CCP, SCJP, SCWCD
  http://voicenet.com/~maggie
  AOPA 925383 - Amateur Radio Station K3XS - ARRL 39280 - AMSAT 32844
 The art of progress is to preserve order amid change
  and to preserve change amid order.-A.N.Whitehead
 
 ___
 time-nuts mailing list
 time-nuts@febo.com
 https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
 
 


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Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], John Ackermann N8UR writes:

and $30K speaker cables!

The most amazing thing about this, is that the magnetic field in
a coil is proportional to the current through it, not the voltage
across it, yet all loudspeakers and amplifiers are designed to
control the voltage and not the current.

Once you fix that (and it's pretty trivial on any amplifier with
a feedback loop) the cables suddenly doesn't matter and you get
_much_ better definition in the reproduction.

I dit that to my set 20 years ago, and hasn't bothered since :-)

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.

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Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread Magnus Danielson
From: Poul-Henning Kamp [EMAIL PROTECTED]
Subject: Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable 
Atomic Clocking Device
Date: Thu, 19 Apr 2007 14:10:24 +
Message-ID: [EMAIL PROTECTED]

 In message [EMAIL PROTECTED], John Ackermann N8UR writes:
 
 and $30K speaker cables!
 
 The most amazing thing about this, is that the magnetic field in
 a coil is proportional to the current through it, not the voltage
 across it, yet all loudspeakers and amplifiers are designed to
 control the voltage and not the current.
 
 Once you fix that (and it's pretty trivial on any amplifier with
 a feedback loop) the cables suddenly doesn't matter and you get
 _much_ better definition in the reproduction.

Certainly. This is so true. You need to consider one thing thought, you want an
over voltage/current protection to nicely handle unplugging of connectors etc.

 I dit that to my set 20 years ago, and hasn't bothered since :-)

It is *still* too new methology, even if it has been known for ages.
Conservative fools.

Cheers,
Magnus - who used to work with PAs.

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Re: [time-nuts] Antelope Audio Launches The Isochrone 10M Affordable Atomic Clocking Device

2007-04-19 Thread David Forbes
At 9:35 AM -0400 4/19/07, Maggie Leber wrote:
Golleee.


http://news.harmony-central.com/Newp/2007/Antelope-Audio-Isochrone-10M.html


I'm trying to decide if there's even the slightest chance that this
actually has any justification,
or if it's just the latest successor to the $500 wooden knobs and
Tube-o-lator chip lacquer. ...

Maggie,

The only thing missing from that expensive box is a 12 digit 
frequency display to show all the zeroes that the customer just paid 
so much money for.

An accurate clock is somewhat useful, but the audiophile way is to 
spend a lot of money to optimize some unimportant parameter way too 
far while ignoring the basic things.

Considering that only rarely is a recording more than an hour long, 
having sample timing accuracy for an eight-day-long recording is 
overkill.

Also, it's hard to find a person capable of detecting the pitch error 
caused by any crystal oscillator being out of whack by the typical 
.01% of a cheap microprocessor crystal. That's less than a tenth of a 
Hertz at middle A!

However, if you want the best for your mastering studio, a $100 ebay 
surplus ovenized crystal will get you to .1% accuracy easily, 
with lower jitter than a phase-locked rubidium oscillator.

-- 

--David Forbes, Tucson, AZ
http://www.cathodecorner.com/

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