281A Western Electric like new 1930's (38ma)
$999.99
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281A Western Electric Balloon engraved base like new 1930's - reboxed 38ma Gm=1500 Vplate=150V Vscreen=70V Vgrid=-60 Moderate Power co-planar grid tetrode Vplate max = 250V Iplate max = 45mA Vfil = 5V @ 1.6A
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