>I perhaps did not make it clear that each tube should produce around >300 W
>in class AB1 - ie 600 W for a two tube amp. In class C each tube
>produces around 380 W if memory serves me correct. Obviously, if the
>tubes are pushed beyond their ratings (not exactly unknown in amateur
>circles), you will get more power.
Typically, I see about 325 watts avg power out of the 250B, and 750 or so
PEP out of it.
This is with 2200 volts on the plate, -60 to -70 volts grid, and 350-375 on
the screen.
Normal value on the fils.
Toll_Free
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