I,ve recently obtained a number of new surplused 4PR1000A tubes and
promptly began to put together an amplifier using a pair of these tubes.
Using 5500v on the plate, I found that they require a fair amount of
drive. With the power supply as well as the rf deck completed in a
modualer cofiguration, it is easy to change.
My question is... Using the same chassis and power supply, what would
be a better tube configuration. I would still like the amp to remain
grounded grid.
Thanks
Dave VE3DXV.
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