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EF11 RSD Germany NOS 1950's (6.1ma) (tested on Amplitrex)

By Tube World

$ 39.99

EF11 RSD Germany NOS 1950's (large can and wider base than EF11 Telefunken)

1 tube) 6.1ma Gm=2200


 

Tested on Amplitrex

Vplate=250V

Vscreen=100V

Vgrid=-2V

NOS Ma range = 5.5-6mA

NOS Ma range 2000-2200

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