1 matched pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965-1969
1 tube) 7.5ma Gm=4600
1 tube) 7.8ma Gm=4500
Matched on Amplitrex AT1000
Vplate=250V
Good Iplate range 7-12ma
Gm=4500-5000+
$48.00 $159.99
1 matched pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965-1969
1 tube) 7.5ma Gm=4600
1 tube) 7.8ma Gm=4500
Matched on Amplitrex AT1000
Vplate=250V
Good Iplate range 7-12ma
Gm=4500-5000+
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