At 19:45 27/05/2006, K2VCO wrote:
>There was an article in ARRL handbooks of the late '50s or early '60s
>describing a series of single-band amplifiers each using a pair of
>813's. Construction was simple, with a pair of chassis behind a short
>rack panel and the 813's mounted horizontally. The author left the
>plate voltage connected and just lit the filaments (and I presume
>switched drive and antenna) of the one he wanted to use. I built a
>similar amplifier, although mine was for 80-40-20 meters.
>--
>73,
>Vic, K2VCO
The ARRL publication "Single Sideband for the Radio Amateur" Fifth
Edition 1970 also has these amps on pp138-141.
Chris G3VBL
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