71A Super Silvertone by Sylvania engraved base NOS 1937 (22.5ma)
By Tube World
$ 59.99
1 tube) 71A Super Silvertone by Sylvania engraved base NOS 1937
22.5ma
Gm=1500
(71A=5V @ .25A Filament)
(Typical Characteristics:Vplate=135V, Vgrid=-27, Iplate=17.5ma, Rplate=1.82Kohms
Gm=1650, Mu=3, Rload=3Kohms, Pout=0.4watts)
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