Re: Kolster-Brandes MR10
You've done your voltage table wrong.....swop the AM & FM (Column 4)
If the 12AT7 heaters aren't working it can only be one of two things, either there's no heater voltage supply to the valve or the valves heaters are open circuit (in effect)
Lawrence.
Last edited by ms660; 26th Sep 2019 at 11:33 am.
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