(!!!!) (Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.0ma)
By Tube World
$ 39.99
EF89=6DA6 Telefunken Germany <> Diamond Bottom NOS 1966 faded printing
7.0ma
Gm=3100
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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 (Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.0ma) "Pin It")