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Old 3rd Sep 2019, 3:31 pm   #17
crackle
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Join Date: Mar 2011
Location: Basildon, Essex, UK.
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Default Re: Kolster-Brandes MR10

The other thing to check if the 12AT7 heaters check out OK are the valve socket pins.
I think they may be the little brass fork types, and they sometimes go very brittle and snap off.

Mike
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