Do the designations 12SA7, 12SK7, 12SQ7, 50L6, 35Z5 still ring a bell with anyone?
Sounds like the tube line-up of an All-American 5 tube radio of the octal tube socket era. K1LT
We're here to give you a computer, not a religion. - attributed to Bob Pariseau, at the introduction of the Amiga