In Reply to: Eico HF-35 filaments, hum, grounding, etc. posted by D. McAllister on August 5, 2013 at 19:06:58:
It can even be 1 volt and cause hum.Take the EL34s out and measure to see if you have an positive B+ at pin 5 of each tube.
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Follow Ups
- If you are leaking DC on any of the couplers,that can cause hum. - Michael Samra 08/5/1319:23:23 08/5/13 (3)
- RE: If you are leaking DC on any of the couplers,that can cause hum. - D. McAllister 20:14:25 08/5/13 (2)
- This is what should be using for the first cap off the GZ34 - Michael Samra 21:12:32 08/5/13 (0)
- RE: If you are leaking DC on any of the couplers,that can cause hum. - Michael Samra 20:26:11 08/5/13 (0)