6DR7 GE branded Philco black plates NOS 1969 (2.0ma/38ma)
$ 8.99
6DR7 Philco by GE black plates NOS 1969
2ma Gm=1800
38ma Gm=6800
Good Triode = 1.0-1.5ma Gm=1400-1600
Good Pentode = 25-35ma Gm=5500-6000
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