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(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)
(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)
$ 18.99
1 pair) 12SL7GT RCA NOS 1974 (ES)
1 tube) 2.1/2.2ma Gm=1500/1600
1 tube) 2.3/2.4ma Gm=1500/1600
Good ma range 1.8-2.5ma
Good Gm = 1400-1600
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