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1 low noise pair) JAN-12AT7WC Sylvania NOS 1980 original boxes
1 tube) 7.0/8.0ma Gm=4400/4800
1 tube) 7.3/8.2ma Gm=4300/4800
Matched on Amplitrex
Good Ma range 8-10ma
Good Gm range 4500-5500