482B=182 Sparton engraved base tests like new 1930's (21ma Gm=2000)
$ 199.99
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482B=182 Sparton engraved base tests like new 1930's
21ma
Gm=2000
Vplate=250V
Vgrid=-35V
Iplate=20mA
Gm=2000
See more: Unknown Type
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