Re: 6SN7 Mu Follower Distortion Paper


"Ian Bell" <ruffrecords@xxxxxxxxx> wrote in message
news:gktetl$dka$1@xxxxxxxxxxxxxxxxxxxxxxxx
I have written up the work I did on investigating distortion in a 6SN7 mu
follower and posted it at my website. You can read it here:

http://www.ianbell.ukfsn.org/data/mufollowerdistortion.pdf


Ian. Excellent paper.

You mentioned that you had, or were in the process
of acquiring, a HP spectrum analyser to examine the
differences between the distortion profile of the
different valves/tubes that you had tested.

Have you done this analysis yet? Some pics would be of
interest.

Most 6CG7s that I have evaluated have similar THD
values, and yet in comparison tests, Westinghouse
and Telefunken are usually picked out as sounding
the best. Perhaps THD does not tell us the full story.


Best regards
Iain





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