(!!) (Best Pair #1) 12AU6 RCA NOS 1957-1959 (9.4ma and 9.6ma)
$ 14.99
1 Pair) 12AU6 RCA NOS 1957 and 1959
1 tube) 9.4ma Gm=5100 (1957)
1 tube) 9.6ma Gm=5300 (1959)
Tested on Amplitrex
Good Ma = 8-10ma
Good Gm = 5000-5400
See more: vacuum tube
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 (Best Pair #1) 12AU6 RCA NOS 1957-1959 (9.4ma and 9.6ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/4_92d47155-7131-4bb2-a139-dc484b59e117.jpg?v=1777615874){kind=link}
 (Best Pair #1) 12AU6 RCA NOS 1957-1959 (9.4ma and 9.6ma) "Pin It")