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1 low noise pair) JAN-5814A Philips by Sylvania JAN NOS 1985 1-2% matched
1 tube) 10/9.6ma Gm=2300/2200
1 tube) 10/9.8ma Gm=2200/2300
Good Ma range 8-10ma
Good Gm range 1800-2200
- Best substitute for a 12AU7