(!!) (Best Pair #2) 6AW8A GE NOS 1976 (3.3/3.6ma and 25.8/27.2ma) 1-3% matched (Shindo)
(!!) (Best Pair #3) 6AW8A GE NOS 1976 (3.1/3.3ma and 22/23ma) (Shindo)
(!!) (Best Pair) 6AW8A GE NOS 1964 (4.5/4.3ma and 20/19ma) 1-3% matched (Shindo)
6AW8A GE NOS 1976 (4.9/21ma)
