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(!!!) (Best 5-Star) 5814A=12AU7 GE Electronic Secretary "5 STAR" triple mica NOS 1960 (10.8/10.4ma) (Same Gm)
(!!!) (Best 5-Star) 5814A=12AU7 GE Electronic Secretary "5 STAR" triple mica NOS 1960 (10.8/10.4ma) (Same Gm)
$ 49.99
1 low noise tube) 5814A=12AU7 GE Electronic Secretary "5 STAR" triple mica NOS 1960
1 section) 10.8ma Gm=2200
1 section) 10.4ma Gm=2200
Good Ma range 8-10ma
Good Gm range 1800-2200
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