Big Bad Bob
2015-09-28 23:03:11 UTC
interesting design principles, and observations about testing tubes, how
they don't always perform the same depending on the circuit, etc. and
how to extend tube life, yotta yotta yotta.
long read, good info. mostly skimming, had a copy as PDF for a while
now, looking over it again for ideas.
found PDF here, didn't DL but probably correct