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(SINGLE) EL153 Telefunken NOS 1960's (80ma)

By Tube World

$ 89.99

EL153 Telefunken NOS 1960's original box

80ma

Gm=4700

SINGLE TUBE ONLY

 

Tested on Amplitrex

Vplate=500V

Vscreen=250V

Vgrid=-49V

Good Ma = 50ma

Good Gm = 4000 

 

 

notes:

10 pins

Power Tetrode

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