1 low noise tube) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube in white box
Gm=2400 (1.8ma)
Gm=2800 (2.2ma)
Good Gm = 1600+
Good Ma range = 1.0-1.2ma+
$12.90 $42.99
1 low noise tube) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube in white box
Gm=2400 (1.8ma)
Gm=2800 (2.2ma)
Good Gm = 1600+
Good Ma range = 1.0-1.2ma+
0.0 Average Rating Rated (0 Reviews)