[Amps] Real power from GU74b?

[jeff millar]

Did you see...

    http://gref.cfn.ist.utl.pt/cupido/gu74amp.html
    http://nd2x.net/lz2us-3.html
    http://www.svetlana.com/docs/TechBulletins/technoteNo42.html

These show about 1200W outs of a single tube in SSB service.

jeff, wa1hco
----- Original Message ----- 
From: "Richard" <translations at qdnet.pl>
To: " AMPS" <amps at contesting.com>
Sent: Saturday, November 15, 2003 9:48 PM
Subject: [Amps] Real power from GU74b?


> According to one catelogue, a GU74b valve will give 600w output, yet I
have
> seen one manufacturer of amateur amps claiming he got a healthy 1kw out a
> single valve.
>
> Am I skeptical believing this is a re-run of "we can get 400w out of a
> 4CX250b" story, or is the catelogue I have seen the 600w figure quited
from
> wrong, as I did see another catelogue quote 800w.
>
> Of course it is always possible to more than a catelogue says one can get
> out of a valve, at the cost of shotening its life...
>
> Rgds
>
> Richard
> SO5GB, Warsaw
>
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