(!!!) (Best Pair) 6EM7 GE gray plates NOS 1960's (1.9/45ma and 2.3/44.5ma)
$ 48.88
1 pair) 6EM7 GE gray plates NOS same build
1 tube) 1.9ma Gm=1900 (triode) 45ma Gm=7400 (pentode) 1969 (EZ)
1 tube) 2.3ma Gm=2100 (triode) 44.5ma Gm=7100 (pentode) 1970 era
Tested on Amplitrex
Good Ma Triode = 1.4ma Gm=1500
Good Ma Pentode = 35-40ma Gm=6500
for:
Joule Electra LA-100 MK3
Modwright power supply
Wright Sound phono wpp-200c
Wright Sound WLA12A preamp
Kenji Mizushima Kenso
Music Reference 6EM7 amp
Welbourne Apollo mono amps (KR/VAIC VV52B or 300B output tubes)
See more: vacuum tube
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 (Best Pair) 6EM7 GE gray plates NOS 1960's (1.9/45ma and 2.3/44.5ma) "Pin It")