(!!) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma)
$ 64.99
1 low noise tube) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter
9ma Gm=2000
11.6ma Gm=2100
mil-grade 12AU7
Good mA = 8-10ma
Good Gm range 1800-2200
See more: vacuum tube
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 JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/2_b98489cf-7f75-4d24-8a9f-800d2f70beba.jpg?v=1628714265){kind=link}
 JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma) "Pin It")