[Amps] Centurion cooling improvement ideas for AM service

[Joe Isabella]

I suppose you could whistle into it and quickly adjust for max PEP.  Once it's done, write down
the settings in case you change bands.  Most AM'ers are always in the AM Window, so the amp's
setting won't change too much...

Joe,
N3JI

--- charlesmorris at direcway.com wrote:

> Sounds reasonable to me. Thanks for the info. Only problem is, my screen mod ARC-5 setup can
> only muster about 25 watts so I don't have any good way to tune up at the SB-220's full
> capabilities. Guess I will proceed with the home-brew AB1 grid-driven linear :)
> -Charles
> 
> 
> ----- Original Message -----
> From: Joe Isabella <n3ji at yahoo.com>
> Date: Wednesday, August 25, 2004 2:06 pm
> Subject: Re: [Amps] Centurion cooling improvement ideas for AM service
> 
> > Having not run one myself in AM mode, I don't know the exact 
> > answer.  However, I have talked to a couple guys running Johnson 
> > Rangers into them and I believe they have to reduce the drive.  A 
> > typical ranger does about 50-60W AM carrier, so I think it's 
> > somewhere around 20-30W.  Sound about right?
> > 
> > Joe
> > 
> > charlesmorris at direcway.com wrote:
> > Any idea how much drive an SB220 would require to achieve 300W 
> > carrier out?
> > thanks
> > Charles
> > WB3JOK
> > 
> > ----- Original Message -----
> > From: Joe Isabella 
> > Date: Wednesday, August 25, 2004 9:56 am
> > Subject: Re: [Amps] Centurion cooling improvement ideas for AM service
> > 
> > > SB 220 would do 300W carrier AM (or about 1200W PEP) for a 
> > "normal" AM transmission.
> > 
> > 
> > 
> >        	
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> 
> 



		
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