EF12 Ultron Germany NOS 1950's (3.9ma)
By Tube World
$ 89.99
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EF12 Ultron Germany NOS (3.9ma Gm=2200)
(Vplate=250V, Vscreen=100V, Iplate=3.0ma, Gm=2.1ma/V)
See more: vacuum tube
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