[Amps] Loading SB-220

Joe Subich, W4TV w4tv at subich.com
Sat Mar 3 21:38:13 EST 2007


AF2C writes ... 

> Your warning about the loading of the amp should be
> heeded.  Extreme care should be used and damage can be
> avoided by using the CW/Tune position.
> 
> The extra output is really not worth the damage which
> can be caused by attempting to wring those extra Watts
> out of the amplifier on the WARC bands.

The difference between the CW and SSB positions in the SB-220 
would not be significant if you had a choke resonance on one 
of the "WARC" bands.  A series resonance will destroy the 
choke on either setting ... 

73, 

   ... Joe, W4TV 
 



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