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6BQ7A RCA black plates branded Westinghouse NOS

6BQ7A RCA black plates branded Westinghouse NOS "D" getter halo 1950's (7.5/8.0ma)

$ 12.99

1 tube) 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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