6J7 RCA NOS 1967 (2.0ma)
$ 13.99
6J7 RCA NOS 1967 (BM)
2.0ma
Gm=1100
NOS mA = 2ma
NOS Gm range 1100-1200
(1620=metal 1603, special selected non-microphonic 6J7)
- Western Electric preamp
- WE 124 amps
See more: vacuum tube
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