[CQ-Contest] Pre tuned Hf amps

[Mark Beckwith]

> One problem with the single-supply design is that a single
> failure puts *all* bands on low power, not just one band.

FWIW I have never heard of a contest failure in a station that uses one 
humongous HV supply and separate finals.  I think those supplies are 
generally way over-built.

> if you have a failure on one supply/band you can use an
> off-the-shelf commercial amp to fill in.

I always wondered why some of those stations had L4Bs and SB220s between the 
rig and the final.  Now I understand....

Mark, N5OT