(!!!) 6189=12AU7WA RCA black plates NOS 1971 (9.0/9.6ma)
By Tube World
$ 32.99
1 low noise tube) 6189=12AU7WA RCA black plates NOS 1971
9.0ma Gm=2100
9.6ma Gm=2200
Good Ma range 8-10ma
Good Gm range 1800-2200
(ruggedized and inexpensive sub for 12AU7)
See more: vacuum tube
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 6189=12AU7WA RCA black plates NOS 1971 (9.0/9.6ma) "Pin It")