(!!!) (Best Single) 6BQ7A RCA black plates "D" getter NOS 1960 (13.5/14.8ma)
$ 29.99
1 low noise tube) 6BQ7A RCA black plates "D" getter NOS 1960
13.5ma Gm=8500
14.8ma Gm=8800
Tested on Amplitrex
Good Ma = 8-10+ma
Good Gm = 6000-6400
(also see 6BZ7 and 6BK7B)
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