12SK7GT RCA NOS 1940's (9.0ma)
$ 13.99
12SK7GT RCA NOS 1940's slightly tilted glass
9.0ma
Gm=1900
Tested on Amplitrex:
Good NOS mA range 8 - 9ma
Good NOS GM range 1700-2000
Vplate = 250V
Vscreen = 100V
Vgrid = -3V
NOS Ma = 8-9ma
NOS GM = 1900-2000
for:
Collins TCS14 1944
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