Emerson 612 Grid bias problem - Videokarma.org TV - Video

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Emerson 612 Grid bias problem

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11-21-2025, 02:25 PM

soliman15

VideoKarma Member

Join Date: Mar 2018

Posts: 21

I did swap the tubes but nothing has changed.
I measured -8.4 on pin 6 of the 6v6 tube which is not connected inside the tube but used as tie point and is driven from the B- via voltage divider and it is in the Sam's (attached). I agree Sam's it could be wrong and the -8.4 should be ~-3v

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