[Amps] SB-220: 1,800 Watts Output

Jim Barber audioguy at charter.net
Mon Nov 30 11:54:20 PST 2009


Then that begs the question - Marketing claims aside, what would be an 
appropriate max output power to run with a SB1000/AL80 ?

It's a timely question for me, at least. I have a nice SB1000 that's 
been in the storage room for 5 years or so and was thinking about 
getting it out and putting a tube in it. It has 160m, which my 3KA and 
PA77's have not. It also doesn't cause gale force winds in the shack... ;-)

Thanks,
Jim, N7CXI

Carl wrote:
> I wouldnt want to be on the same band with either one!
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Vic K2VCO" <vic at rakefet.com>
> To: <Gudguyham at aol.com>
> Cc: <amps at contesting.com>
> Sent: Monday, November 30, 2009 12:30 PM
> Subject: Re: [Amps] SB-220: 1,800 Watts Output
>
>
>> Gudguyham at 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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