[Amps] CW & SSB amp

[jeremy-ca]

Leave it Class B, no body will be able to tell the power difference but 
others on the band will be happier. 813's run very well at 2500V with a 
little bit of air.

Carl
KM1H

----- Original Message ----- 
From: "Steve Flood" <kk7uv at bresnan.net>
To: <amps at contesting.com>
Sent: Monday, February 25, 2008 9:50 PM
Subject: [Amps] CW & SSB amp


> I'm planning a 3x813 amp in grounded-grid.  Primary use will be for 
> 160-80-40-20 CW (Class C).  What must I do if I occasionally wish to run 
> the amp in linear SSB service (Class B or AB)?  Am I understanding 
> correctly from my reading that I need to add an adjustable grid bias 
> voltage control for adjusting cutoff,  and an adjustable plate voltage 
> control (variac?).  It seems like some amps use one way or the other but 
> not both.
>
> steve
> kk7uv
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