bcowen
Headphoneus Supremus
@Paladin79 , @bcowen I have a solution for this problem: since @bcowen seems to have a rather large "collection" of tubes and would like his OTL amp to operate with his 13 ohm headphones, and UPS allows for packages up to 116 inches combined girth or something like that, why not build the OTL amp with something like a input gain stage, 10x parallel devices for a driver stage, and 80x parallel output tubes, per channel. throw in some cathode degeneration to help with the current sharing. by the time @bcowen has matched up enough devices, the amp should be finished.
will also help to keep the house warm during the winter.
160 matched output tubes? Give me a couple weeks.