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Murphy A372 VHF restoration
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9th Nov 2019, 2:25 pm
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HamishBoxer
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Join Date: Aug 2007
Location: W.Butterwick, near Doncaster UK.
Posts: 8,935
Re: Murphy A372 VHF restoration
I have never had a rectifier valve cause hum,though I guess always a first time.
Heater cathode leak maybe?
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