Thanks to all who offered advice on fixing the loss of filament to one
of the 3-500Z tubes in the Henry 2K amp.
I put the tubes back in and started to check filament voltage 1st and
when I stuck the probe into pin #1 on V1, the tube came on. Pulled the
tubes again and cleaned all the pin holes and clamps then I gently
squeezed the clamps a little to tighten them some. Put the tubes back in
and we are working back at full output.
Thanks for all the advice, I have learned quite a bit in last couple
days by going thru the schematics looking for different circuits in the
amp, you were all a great help!
73,
Ted K8AQM
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