(!) 30 Philco engraved base NOS 1930's (3.7ma)
$ 18.99
1 tube) 30 Philco engraved base NOS 1930's (3.7ma)
3.7ma
Gm-900
NOS Ma = 3ma
NOS Gm = 800-900
(ST12 or T9 bulb shape on UX-4 base, Vfil=2V @ 60ma, Mu=9.3, Variant=1230)
(VT-67=30 Special)
- LINCOLN DC SW-33 radio 1933
See more: vacuum tube
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 30 Philco engraved base NOS 1930's (3.7ma) "Pin It")
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