From my Henry 3KA manual:
"The 3KA is a 3000 watt PEP input (2000 watt nominal output) linear
amplifier ..."
On the other hand - I wouldn't think a direct comparison to a SB-220
(even with a Dahl transformer) would be appropriate.
73, Jim N7CXI
Gudguyham@aol.com wrote:
> 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!"
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