(!!!!) (Best Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.6ma)
By Tube World
$ 41.99
EF89=6DA6 Telefunken Germany <> Diamond Bottom NOS 1966
7.6ma
Gm=3200
Tested on Amplitrex
Good Ma range = 7-8ma
Good Gm range = 3000-3500
for:
Telefunken OPUS 6 from 1956
Blaupunkt radio
See more: vacuum tube
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 (Best Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.6ma) "Pin It")