(!!!) (Best RCA Single) USAF-6189=12AU7WA RCA black plates "D" getter NOS 1961 (9.8/10.2ma)
$ 39.99
1 low noise tube) USAF-6189=12AU7WA RCA black plates "D" getter NOS 1961 faded printing
9.8ma Gm=2200
10.2ma Gm=2300
USAF=United States Air Force
12AU7 subsititute
5814A=12AU7 GE is also recommended
See more: vacuum tube
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 (Best RCA Single) USAF-6189=12AU7WA RCA black plates "D" getter NOS 1961 (9.8/10.2ma) "Pin It")