(!!) (Recommended SINGLE) JG-6C4WA GE JAN triple mica NOS 1964-1965 (9.2ma)
(!!) (Single) 5963=12AU7 GE NOS 1981 (9.4/11.4ma)
(!!) 12AU7A RCA CANADA NOS "D" getter halo 1950's tip is chipped (10.0/10.4ma)
(!!) 12AU7A RCA clear top used/good 1960's (7.4/8.6ma)
(!!) 12AU7A RCA clear top used/good 1964 (8.2/8.6ma)
(!!) 6BQ5=EL84 GE NOS 1961 (50.5ma)
(!!) 6E5 GE NOS 1960's pupil slightly off center - bright eye
(!!) 6E5 RCA NOS 1940's (2 in stock)
(!!) 6E5 Sylvania NOS (2 in stock)
(!!) EL84 Ultron USSR Russia used 1990 era (32ma)
(!!) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma)
(!) (- BEST VALUE) 6AU5GT GE gray plates NOS 1960's (1 pair: 55ma and 56ma)
(!) (- BEST VALUE) 6AU5GT GE gray plates NOS 1960's (1 pair: 66.5ma and 65ma)
(!) (- BEST VALUE) 6AU5GT GE gray plates NOS 1960's (1 pair: 75ma and 74ma)
(!) (Best Pair) 5763 Sylvania JAN NOS 1973 (39.6ma and 40ma)
(!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (9.6/11.6ma and 9.0/11.0ma)
(!) (BEST VALUE PAIR) EL84 Brimar England NOS 1962 (67ma and 66ma) (recommended for FIXED-BIAS amp only due to high current)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (10/10.6ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (8.3/8.6ma) (Same Gm)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (9.6/10ma)
