Amperex had a tube lineup, mostly 9 and 11 pin receiving

miniatures that were serviceable, but they were out of

their league when pushing RF Power.

?

(For a minute I confused “Amperex” with “Ampex,”

who did make a quite decent set of reel-to-reel

multichannel analog audio recorders.) Ha, ha.

?

Hal Mandel W4HBM