Hi,
I just read the datasheet of 811A and 572B, I find that 811A and 572B only
need
no more than 10W drive power , drive 10*572Bs or 811As would be need no
morthan
100W.Is the loss of in put match work will have too large?
73! Hsu
>
>>>> Tektronix used to use c. 10 tubes in their O'scopes' deflection plate
>>>> amplifiers. The story about paralleling more tubes having too much C
>>>> is a large pooper scooper of taurine feces because if the # of tubes
>>>> is doubled, twice as much C in needed to keep the operating Q in the
>>>> desired 10 - 15 range. If I had 300W of drive, I would not hesitate
>>>> to build an amplifier with 10, 572Bs or 811As.
>>>> cheers, Hsu
>>>>
>>>>
>>>>>
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