Tubes Asylum

I believe you are speaking of the 3.3 ohm resistor where the

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cathode is tied to the beam forming plate thru the 3.3 ohm resistor.Most of the 8B characters comes thru its FB and transformer design.Yes,the some tubes tie 1 and 8 together but that isn't that issue that causes real problems.I will sweep my model 8 with kt77s again and kt66s and I will see if there is any issues with the FR being all over the place.
When problems become increasingly difficult,we can always rely on our collective knowledge and seek relief.


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