(!!!) (Recommended Single) 12AU7A RCA clear top NOS 1971 (9/11ma)
$ 44.99
1 low noise tube) 12AU7A RCA clear top NOS 1971 (DL)
9ma Gm=2000
11ma Gm=2300
Tested on Amplitrex AT1000
Good Ma range 8-10ma
Good Gm range 1800-2200
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