(!!!) (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)
$ 29.99
1 low noise tube) 12AU7 RCA tall black plates "D" getter used/good 1950's
9.8ma Gm=1700
8.2ma Gm=1800
Good Ma range 8-10ma
Good Gm range 1800-2200
See more: vacuum tube
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 (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_44bfb941-9029-4d22-9781-8bc1a85f1e9e.jpg?v=1729003955){kind=link}
 (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma) "Pin It")