In Reply to: RE: Filament hum posted by Triode_Kingdom on September 13, 2016 at 19:10:38:
That's been my experience too, although the 845 doesn't seem to lose as much. Did you ever get a finished version of the ultrasonic heater? If so did you or could you you post the design?
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Follow Ups
- RE: Filament hum - vinnie2 03:18:40 09/14/16 (4)
- RE: Filament hum - Triode_Kingdom 12:17:24 09/14/16 (3)
- RE: Filament hum - vinnie2 13:05:24 09/14/16 (2)
- RE: Ultrasonic Link - deafbykhorns 10:20:56 09/15/16 (1)
- RE: Ultrasonic Link - vinnie2 12:51:13 09/15/16 (0)