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(!!) 71A Tungsol NOS 1940's in white box (23.6ma)

(!!) 71A Tungsol NOS 1940's in white box (23.6ma)

$ 57.99

71A Tungsol NOS 1940's in white box

23.6ma

Gm=1800

 

Tested on Amplitrex 

Vplate = 180V

Vgrid = -38V

Good Ma = 20ma

Good Gm = 1700

  

(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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