Log-in
13EM7 GE branded Philco NOS 1963 (1.2/39.5ma)

13EM7 GE branded Philco NOS 1963 (1.2/39.5ma)

$ 9.99

1 tube) 13EM7 GE branded Philco NOS 1963

1.2ma Gm=1400

39.5ma Gm=6100

 

Good mA triode #1 = 1.2-1.4ma

Good Gm triode #1 =1400-1600

 

Good mA triode #1 = 30-40ma

Good Gm triode #1 = 5500-7000

See more: vacuum tube
Scroll to top