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.if hum =60hz.....this is from ac line transformer.can not fix by ground. This picture does not show the 60hz hum. please show power circuit.
This forum is full of requests for help to fix the hum. This shows that for everyone The solutions are not the same.Please look at the picture. the most important point in the hand wire assembly is that the tube socket connections are not hidden under parts such as capacitors and resistors.
Thank you for the information hooman. I'm in the process of rewiring and rerouting so it may be a few days before I can post the results.
I appreciate everyone's response.
I appreciate everyone's response.