[GreenKeys] Incredible . . .

[Tom Jennings]

On Wed, 13 Oct 2004, Craig Sawyers wrote:

> > But some of those tube-audio guys are NUTs... I talked to one
> > who claimed to hear the difference between carbon comp and
> > metal film resistors. Okay! C U later! said I...
> 
> That is actually not so daft.  Look at the tempco of the resistors - carbon
> comp resistors have several hundred ppm per degree tempco, and good
> precision carbon film resistors about 10ppm per degree (down to around 3ppm
> for precision items from Dale, Holco or Vishay).

> Now OK - the tube guys say that the carbon comp resistors are the ones that
> sound better, and that is where my scientific approach breaks down.....

And that is PRECISELY what he claimed!

> It seems that
> most can clearly hear different loudspeaker cable and (I swear!) different
> mains cable.  At the same time, in a multiple test where A and B were the
> same loudspeaker design, listeners in general recorded them as having a
> different sound.
...
> If you can hear no difference - fine.  If you can (and most people can) I
> think you will be somewhat surprised.  And there is at least a plausibility
> argument why.

There is of course a whole world of parameters not measured... but what's
the argument here?!