5V3 GE branded ITT NOS 1960's (52/40 and 54/40)
By Tube World
$ 19.99
5V3 GE branded ITT NOS 1960's (52/40 and 54/40)
(5AU4=5V @ 3.75A Filament, PIV=1400V, Imax=200ma)
See more: vacuum tube
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