Re: Speaking of audiophools
- From: Rich Grise <richgrise@xxxxxxxxxxx>
- Date: Wed, 28 Jun 2006 22:03:59 GMT
On Wed, 28 Jun 2006 22:18:02 +0200, Zak wrote:
Jim Thompson wrote:
For the audiophools with their assinine view of loudspeakers...
http://analog-innovations.com/SED/LoudspeakerModel.pdf
This model is courtesy of "analog", 2002.
And any cable resistance or reactance comes in series with Rvc, the
voice coil resistance.
I once got (from an audiophool, who got unhappy) rather expensive cable.
Thick conductors (about 5 mm round) but also a 3 cm distance between the
conductors (mostly air). Nice dark red color.
I wonder if the inductance could 'do' anything noticeable at say 5 KHz.
Not that I even tried to hear a difference.. I later made another
audiophool happy with them and went back to two different cheap cabels,
one thin and short, the other longer and fatter.
Everyone's talking about wire resistance - the thing the phools are after
is characteristic impedance, which is determined by conductor diameter,
spacing, and dielectric constant. It's quite irrelevant at frequencies
where the length of the transmission line is less than, say, 1/100 of a
wavelength at the frequency in question.
Why is there all this discussion about cable resistance and crap? If you
pay more than a few cents a foot for your speaker cables, you're an idiot.
It's just that simple.
Cheers!
Rich
.
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