(!!) (Best Sounding EF89) EF89=6DA6 Mullard UK NOS 1959 (7.5ma)
$ 41.99
EF89=6DA6 Mullard UK NOS 1959
7.5mA
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 Sounding EF89) EF89=6DA6 Mullard UK NOS 1959 (7.5ma) "Pin It")
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