In Reply to: can omitting grid stoppers result in low frequency hum? posted by microbe on April 20, 2007 at 13:21:57:
The answer is no.YOu shall revise your B+ filtering section, grounding and wiring scheme, possible ground loops, transformer and tube physical orientations, etc.
Sometimes, old/worn, faulty or intermittent tubes would behave like that too..
Q.
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Follow Ups
- Re: can omitting grid stoppers result in low frequency hum? - Quest 14:01:52 04/20/07 (1)
- Whut he said. - Poindexter 15:26:30 04/20/07 (0)