Input network isnt tuned correctly or the output Pi-L needs tweaking.
Or the tube is soft.
Carl
KM1H
----- Original Message -----
From: "Ozzie Peters" <radion2qn@gmail.com>
To: <amps@contesting.com>
Sent: Wednesday, October 05, 2011 10:00 PM
Subject: [Amps] Converted '1200 [GS-35B] Output..
> Hi guys. I've stumbled into an issue where I prefer to get some feedback
> before inviting a "tech" come to my QTH, look at the amp. If I can get
> some
> ideas to throw at him [and have it appear I know what I'm talking about]
> then maybe he'll lighten up on the "Big-Brain" syndrome thing.
>
> Now on to the issue we're encountering: output on 160 and 80M is 1.5kW+,
> 40M
> is 1.5kW....but 20M is just about 1kW, 17/15M is about 750W and 12/10M is
> about 550W.
>
> Now, with this amp, shouldn't the output be within the same ball park on
> 15M
> and 20M as it is on 40M?? If so, what could be some factors contributing
> to
> the lower output of the higher bands. And what are some suggested
> solutions??
>
> [For the record, I'm not interested in operating my amp on 10/12M in the
> least, but 15/17/20M are my main concern]
>
> Ozzie, N2QN
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