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

Subject: Re: [Amps] SB-220: 1,800 Watts Output
From: Jim Barber <audioguy@charter.net>
Reply-to: audioguy@charter.net
Date: Tue, 01 Dec 2009 12:58:11 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
 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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