12AZ7 GE black plates "D" getter halo NOS 1955 (11ma/7.5ma)
$ 14.99
12AZ7 GE black plates "D" getter halo NOS 1955
11.0ma Gm=5800
7.5ma Gm=4500
McIntosh MC275
guitar amps - sub for 12AT7 or 12AY7
See more: vacuum tube
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