6136=6AU6WB GE black plate NOS 1960's (6.7ma)
$ 7.99
6136=6AU6 GE gray plate NOS
6.7ma
Gm=4300
6136=computer rated 6AU6
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6136=6AU6 GE gray plate NOS
6.7ma
Gm=4300
6136=computer rated 6AU6