In Reply to: Re: Heathkit HD-1 Distorion analyzer posted by alexis28 on May 21, 2005 at 16:34:34:
This uses a classic notch filter so the residual is everything but the fundamental.Like any other, hook a 'scope onto it and it is not difficult to evaluate the residual spectrum.
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Follow Ups
- AFAIR, and it has been a long time! ... - clifff 16:42:55 05/21/05 (0)