(!!!) (Best Single) 6BQ7A RCA black plates NOS 1967 (11.5/13.5ma)
By Tube World
$ 29.99
1 low noise tube) 6BQ7A RCA black plates NOS 1967
11.5ma Gm=8000
13.5ma Gm=8400
Tested on Amplitrex
Good Ma = 8-10+ma
Good Gm = 6000-6400
(also see 6BZ7 and 6BK7B)
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See more: vacuum tube
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 (Best Single) 6BQ7A RCA black plates NOS 1967 (11.5/13.5ma) "Pin It")