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
$4.50 $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
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