(!!) 12AU7A CBS black plates NOS 1960 era (9.5/11.8ma)
$ 34.99
1 low noise tube) 12AU7A CBS black plates NOS 1960 era faded printing
9.5ma Gm=1800
11.8ma Gm=2200
Good Ma range 8-10ma
Good Gm range 1800-2200
(also consider subs 5814A and 6189 RCA)
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