(!!) (#1 12AZ7 Tungsol) 12AZ7 Tungsol black plates "D" getter halo NOS 1955 (12ma/14ma)
$ 17.99
12AZ7 Tungsol black plates "D" getter halo NOS 1955
12ma Gm=6200
14ma Gm=6700
McIntosh MC275
guitar amps - sub for 12AT7 or 12AY7
See more: vacuum tube