(!!!) (Recommended Single) 6189=12AU7 Amperex PQ France NOS 1969 (8.3/9.8ma)
$ 39.99
1 low noise tube) 6189=12AU7 Amperex PQ France NOS 1969 copper grid posts
8.3ma Gm=2000
9.8ma Gm=2200
Tested on Amplitrex
Good Ma range 8-10ma
Good Gm range 1800-2200
6189 is a ruggedized 12AU7 = M8136
See more: vacuum tube
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 (Recommended Single) 6189=12AU7 Amperex PQ France NOS 1969 (8.3/9.8ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_9cf55d4e-eccf-49d5-9093-2b8bf95875c5.jpg?v=1652117204){kind=link}
 (Recommended Single) 6189=12AU7 Amperex PQ France NOS 1969 (8.3/9.8ma) "Pin It")