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(!!!!) (Best Pair) 6BQ7A RCA black plates NOS 1967 same date codes (15/14.5ma and 13.5/16.5ma)

(!!!!) (Best Pair) 6BQ7A RCA black plates NOS 1967 same date codes (15/14.5ma and 13.5/16.5ma)

$ 69.99

1 low noise pair) 6BQ7A RCA black plates NOS 1967 same date codes (BM)

1 tube) 15.0/14.5ma Gm=8900/8400 

1 tube) 13.5/16.5ma Gm=8400/9200 

 

Matched on Amplitrex

Good Ma = 8-9ma

Good Gm = 6000-6400 

 
(also see 6BZ7 and 6BK7B)

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See more: vacuum tube
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