(!!!) (BEST PAIR) 7308 Sylvania JAN NOS 1976 in white boxes (14.4/19.4ma and 18.0/15.6ma)

1 low noise pair) JAN-7308 Sylvania NOS 1976 same date codes in white boxes

1 tube) 14.4/19.4ma Gm=12,500/13,300

1 tube) 14.8/18.5ma Gm=13,600/12,600

Matched on Amplitrex

Good Ma range 12-15ma

Good Gm range 11,000-13,000

(smooth and quiet)