(!) (Best Pair #3) 12AU6 RCA NOS 1957-1961 (9.6ma and 10.2ma)
$ 14.99
1 Pair) 12AU6 RCA NOS 1957 and 1961
1 tube) 9.6ma Gm=5500 (1961)
1 tube) 10.2ma Gm=5600 (1957)
Tested on Amplitrex
Good Ma = 8-10ma
Good Gm = 5000-5400
See more: vacuum tube
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 (Best Pair #3) 12AU6 RCA NOS 1957-1961 (9.6ma and 10.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/4_09d50b41-aa9e-4375-a82a-0e57b55948f5.jpg?v=1777615725){kind=link}
 (Best Pair #3) 12AU6 RCA NOS 1957-1961 (9.6ma and 10.2ma) "Pin It")