(!!!) (Best Pair) 6AH6WA GE NOS 1980's (10.6/11ma)
(!!!) (Best Pair) JAN-6AH6WA Sylvania NOS 1969 (9.3ma and 9.6ma) (Douk Audio P1) (same Gm)
(!!!) (Best Pair) JAN-6AH6WA Sylvania NOS 1969 (9.8ma and 10ma) (Douk Audio P1)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (10/10.6ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (9.6/10ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1983 (9.0/9.4ma)