2 Type 56 Radio Vacuum Tubes - RARE 1930's Vintage Triodes - $30 - (Entiat, WA)

56     Roger Gould   Normal.dotm   Roger Gould   2   70   2017-01-26T01:34:00Z   2017-01-26T01:34:00Z   1   82   472   3   1   579   12.0             125   Clean   Clean   false       false   false   false                                               2 Type 56 Vacuum Tubes 1930’s Vintage Triodes These used tubes have been tested for mutual conductance. On my Hickok TV-7 tester they read 70 and 71. A reading of 37 would represent the minimum recommended value. These lightly used tubes are from 1930’s USA production. The 56 is a medium-mu triode and is used as a detector amplifier or oscillator tube. The filament is 2.5 volts at 1.0 amp.

Posted in Entiat, WA, Electronics
From ebay.com - 1 month ago