UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Kolster-Brandes MR10

ms660 · 26th Sep 2019, 11:28 am

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.

26th Sep 2019, 11:28 am	#45
ms660 Dekatron Join Date: Apr 2011 Location: Cornwall, UK. Posts: 13,454	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.