[AMPS] SB-220 Rating

[km1h@juno.com (km1h @ juno.com)]

On Mon, 08 Sep 1997 13:25:43 EDT k6ll@juno.com (David O. Hachadorian)
writes:
>Electronic Bias Switching is a wonderful mod to the SB-220.
>It takes a substantial load off the power supply in cw and
>ssb, and allows the entire amp to run cooler. The cw/ssb
>switch can then be converted to a standy switch and the
>HV hardwired to the higher position.

Absolutely correct Dave; if done similar to Rich's kits. Just dont follow
some of the magazine articles. 
The SB-220 owes its owners nothing. A few bucks into upgrades just might
make it last ANOTHER 25-30 years! Not bad for a "poorly designed, 600W
amp"....according to one "expert" . 

73...Carl   KM1H

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