E83F=6689 Siemens made in Holland NOS gold pins 1966
8.5ma Gm=8700
Tested on Amplitrex
Good Ma 8-10ma
Good Gm 8000-9000
(10,000+ hour low noise Pentode)
– Telefunken v76 preamp
$9.00 $29.99
E83F=6689 Siemens made in Holland NOS gold pins 1966
8.5ma Gm=8700
Tested on Amplitrex
Good Ma 8-10ma
Good Gm 8000-9000
(10,000+ hour low noise Pentode)
– Telefunken v76 preamp
0.0 Average Rating Rated (0 Reviews)