13EM7 GE branded ITT NOS 1960's (2.2/38ma)
$ 9.99
1 tube) 13EM7 GE branded ITT NOS 1960's
2.2ma Gm=1700
38ma Gm=6700
NOT A PAIR
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
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