On 04/26/2016 09:49 PM, Jon Elson wrote: > There were also "Compactrons", 12-pin tubes kind of extending the 7- > and 9-pin submini tubes. Some of them had at least 3 elements in one > envelope.
I remember them and used them. In particular, I remember an AF amplifier with push-pull beam output elements and a triode phase inverter all in one element. --Chuck
