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
$4.50 $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
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