(!!) 12BY7 Sylvania coated glass NOS 1953 faded printing (21.5ma)
$ 11.99
12BY7 Sylvania coated glass NOS 1953 faded printing
21.5ma
Gm=10,200
Tested on Amplitrex AT1000
Vplate=250V
Vscreen=180V
Iplate Ma (good) = 20-30ma
Gm = 11,000
Heathkit DX-35 1950's
Kenwood TS-830S Transceiver
Kenwood 520
Kenwood TS-20
Yaesu FT-101 Transceiver
12BV7 is close substitute
See more: vacuum tube