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Old 21st Jun 2019, 6:17 pm   #87
buggies
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Join Date: Jan 2009
Location: West Lothian, UK.
Posts: 761
Default Re: Mullard 5-10 amplifier

I had trouble locating a continuous crackle (not exactly a hiss) which turned out to be a silver mica in the EF86 anode load C1 position breaking down.
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