56 Made in Holland NOS 1940's (5.1ma)
$ 13.99
56 Made in Holland NOS 1940's
5.1ma
Gm=1400
Tested on Amplitrex:
Vplate=250V
Vgrid=-13.5V
Iplate good range = 4.5-5.5ma
Gm=1400
(Vfilament = 2.5 volts)
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