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6BQ7A RCA black plates branded Westinghouse NOS "D" getter halo 1950's (7.5/8.0ma)
6BQ7A RCA black plates branded Westinghouse NOS "D" getter halo 1950's (7.5/8.0ma)
By Tube World
$ 14.99
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6BQ7A RCA black plates branded Westinghouse NOS "D" getter halo 1950's
7.5ma Gm=5400
8.0ma Gm=5600
Tested on Amplitrex
Good Ma = 8-9ma
Good Gm = 6000-6400
(also see 6BZ7 and 6BK7B)
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