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71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)

71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)

$ 37.99

1 tube) 71A Super Silvertone by Sylvania engraved base NOS 1937

19ma

Gm=1250

 

 

 

(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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