(!!!) (Recommended Single) 12AU7A RCA clear top NOS 1960 era (9.6/9.8ma) (Same Gm)
$ 59.99
1 low noise tube) 12AU7A RCA clear top NOS 1960 era faded printing
9.6ma Gm=2100
9.8ma Gm=2100
Tested on Amplitrex AT1000
Good Ma range 8-10ma
Good Gm range 1800-2200
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