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ow (Goofball_star_dot_etal) wrote in message
...
On 3 Jan 2004 05:52:39 -0800, (John
Atkinson) wrote:
All the reviewer can do, therefore, is specify the test
record used and the result obtained.

This is not actually true. You don't need to know the frequency of
the signal source _and_ the speed of the cutting lathe. You _just_
need to know the number of cycles/ revolution and this is something
that can easily be measured using just the LP and a soundcard and some
sort of audio editor.

Thanks David. I'll fool around with this technique. But it does look as if
the 1kHz tone on HFS81 is rather approximate. :-)

If you don't follow, you could search google groups for "John's dad
say : "Ratiometric measurement lot better than kick in balls."

That John's dad, he's one wise fella. Know if he's looking for a gig?

John Atkinson
Editor, Stereophile