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6SJ7Y GE metal can NOS 1972 (2.5ma)

6SJ7Y GE metal can NOS 1972 (2.5ma)

$ 6.49

1) JAN-6SJ7Y GE metal can NOS 1971-1972

2.5ma Gm=1500

 

Tested on Amplitrex: 

Good Ma range = 2.5-3.5ma

Good Gm = 1500-1600

 

for:

Fender Champion 600 circa 1950
Epiphone Electar
Gibson BR9

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