(!!!) (BEST PAIR #2) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.2ma and 7.3ma)
$ 79.99
1 pair) EF89=6DA6 Telefunken Germany <> Diamond Bottom NOS 1966
1 tube) 7.2ma Gm=3200 faded printing
1 tube) 7.3ma 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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 (BEST PAIR #2) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.2ma and 7.3ma) "Pin It")