46 Deforest Audion Balloon used 1930's (32.5ma) (Gm 60%=1600)
$ 29.99
46 Deforest Audion Balloon used 1930's in WB
32.5ma
Gm=1600 (60%)
NOS Ma = 34mA
NOS Gm = 2650
See more: Unknown Type
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