E83F=6689 Siemens Holland NOS 1963
10.6ma
Gm=9700
Tested on Amplitrex
Good Ma 8-10ma
Good Gm 8000-9000
(10,000+ hour low noise Pentode)
– Telefunken v76 preamp
$12.00 $39.99
E83F=6689 Siemens Holland NOS 1963
10.6ma
Gm=9700
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)