But you can't get there with 100 watts of drive.
73
Gary K4FMX
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On Behalf Of Gudguyham@aol.com
> Sent: Tuesday, December 01, 2009 3:50 PM
> To: vic@rakefet.com
> Cc: amps@contesting.com
> Subject: Re: [Amps] SB-220: 1,800 Watts Output
>
> As I recall Henry Radio rated one of their "pair of 3-500" amplifiers
> at
> 3000KW input, at 60% eff. (not unlikely) that would be 1800 watts PEP
> output.....NO?
>
>
> In a message dated 11/30/2009 12:30:32 P.M. Eastern Standard Time,
> vic@rakefet.com writes:
>
> Gudguyham@aol.com wrote:
> > I may be quite possible that the Sb-220 WILL do 1800 watts PEP output
> with
> > the special Peter Dahl transformer. A regular SB-220 on 6 meters
> could
> do
> > 1600 PEP with a standard transformer. Check this out
> >
> > _YouTube - King Conversions SB220 Monoband 6M amplifier 1.5 KW+ -
> > QROKing.com_
> (http://www.youtube.com/watch?v=8c_X9C--hmM&feature=related)
>
> Well, my SB-1000 with ONE 3-500z will produce 1100 watts output, if I
> forget to turn down
> the drive from my exciter.
>
> The question is "for how long will it do this?" My guess is "not too
> long!"
> --
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>
>
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