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(!!!!) (Recommended Pair) 12AU7A Sylvania NOS 1970's same date codes 1-2% matched (8.2/8.6ma and 8.3/8.3ma)
(!!!!) (Recommended Pair) 12AU7A Sylvania NOS 1970's same date codes 1-2% matched (8.2/8.6ma and 8.3/8.3ma)
$ 49.99
1 low noise pair) 12AU7A Sylvania NOS 1970's same date codes
1 tube) 8.2/8.6ma Gm=1900/2000
1 tube) 8.3/8.3ma Gm=1900/1900
Good Ma range 8-10ma
Good Gm range 1800-2200
See more: vacuum tube
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 (Recommended Pair) 12AU7A Sylvania NOS 1970's same date codes 1-2% matched (8.2/8.6ma and 8.3/8.3ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_12bd6e3d-5b78-4a8e-a18b-dc346a429f98.jpg?v=1639330037){kind=link}
 (Recommended Pair) 12AU7A Sylvania NOS 1970's same date codes 1-2% matched (8.2/8.6ma and 8.3/8.3ma) "Pin It")