I have an article using 6 of the 811A's in parallel for 160 meters from 73
Magazine, early 1980's. I would imagine the output capacitance of more than
4 would be too much to tune the plate circuit on say, 15 and 10 meters.
Joe W4AAB
----- Original Message -----
From: "Hsu" <Jbenson@sohu.com>
To: <amps@contesting.com>
Sent: Sunday, July 23, 2006 6:05 AM
Subject: [Amps] The maximum amount of 811As and 572Bs in parallel
> Hi,
> I have seen some schematic diagram of amplifier, I found that the
amount of 811As and 572Bs no more than four, Coud someone can tell me how
much maximum amount of the tubes in parallel?
> Thanks!
> 73! Hsu
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