> I don't think they're talking about class A, are they? If an
> amplifier were 65% efficient, I would expect to be able to get
> around 1200 watts from this much plate disssipation. What am
> I missing here?
The 750 watts is "useful power output," i.e. output after plate
circuit losses. The real kicker is the MAXIMUM rated plate
current of .6 Amps. With Max E and Max I that's 1350 max watts
input or maybe 875 watts out at 65% efficiency. I suspect this
is one tube limited by cathode emission capacity.
... Joe Subich, W8IK/4 ex-AD8I
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