12DQ6B "WG" by Sylvania black plate used/good 1960's (61ma)
$ 7.99
1) 12DQ6B "WG" by Sylvania black plate used/good
61ma
Gm=6300
Good used Ma range 50-60ma
Good used Gm range 6500-7000
12DQ6B=12GW6
See more: vacuum tube
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