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echo: audio
to: THOM KOUWENHOVEN
from: PHIL QUINTON
date: 1997-02-28 09:21:00
subject: Speaker Cable

 TK> A very good afternoon to you Phil
    Thankyou
PQ>>     The article on Speaker cable involved some guy that has a
PQ>> SoundBlaster
PQ>> 16 and found that the 860hz sound he put in, when coming out
PQ>> of the amplifier had 0.6% distortion.
PQ>>  43 strand was the worst, and, heres the joke
PQ>> :-), 75-Ohm Coaxial cable, the stuff you plug your T.V. with,
PQ>> had NO extra distortion, the same as the amp. Now does this
PQ>> mean that
PQ>> 75-Ohm cable is the best for ampifiers? If this was the case, why,  we'd
PQ>> all be using mains cable.. :-)
 TK> Yes....Perhaps he was running a high impedance input on this
 TK> cables or no load at all... :)
    Sounds like it. I actually tested my Dad's old system with Mains Cable. 
The
really thick stuff. He has an old NAD 3020 with a pair of enourmous floor
standing
boxes with simply a tweeter and a mid/bass driver. He made the design of the
cabinets himself. The speaker are fairly close together so there is a limited
sound
stage, none the less, the mains cable made an enourmous difference.
    I recon that the best cable is highly insulated with a large surface area
and low
resistance. As some of the signal could be converted into magnetic fields the
instulation probably keeps the signal from escaping and being influenced from
outside sources.  I'm not sure what difference the high surface area would do
but
I've been told that this is the best.
---
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* Origin: Phil Quinton (2:250/607.96)

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