[CQ-Contest] amps in series

[Tom Osborne]

Dale L Martin wrote:

> I always thought Bill Orr, W6SAI, had the right idea in his >60's/70's issue(s) of Radio Handbook.  I think he used rack >containing a separate, rack-mounted amp (813's?) for each band >all fed from one power supply.  I don't recall how the switching >was accomplished.

I built one of those using 3 amps.  The B+ was hooked up to all
the amps all the time.  You turned the amp on by turning the
filaments on.  Each amp was hooked to a separate antenna and you
just switched the exciter to the one you wanted to use.  Looked
impressive :-)  73
Tom W7WHY


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