Hi
I have a old homemade amplifer with a QB4-1100 tube from Philips.
The problem is that the meter blowed off and wires out of the transformator was
bad condition.and the tank caps was leaking.
I changed all the components, like the meter and diode/resistors and capacitor
bank.
I think I maybe have changed the polarity out from the transformator for the
grid ?
coz when I key down the amp, the meter goes up as normal, but the tube isnt
gaining anything.
so only thing I think can be the problem can I did something wrong about my new
wiring from the grid transformator.
the tube is ligthning normally.
73 LA6FJA Rag
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