(!!!!) (Recommended Pair) 8417 Sylvania branded RCA NOS 1972-1973 (119.2ma and 123.7ma)
(!!!!) (Recommended Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.3ma and 6.3ma) 1% matched
(!!!!) (Recommended Pair) JAN-12AT7WC Philips by Sylvania black plates NOS 1981-1982 (8.3/8.4ma and 8.4/7.8ma)
(!!!!) (Recommended Pair) JAN-5691 Sylvania black plates NOS 1979 (2.1/2.2mA and 2.0/2.2mA) 1-3% matched (Best 6SL7GT sub) (same internals as 5691 red base)
(!!!!) (Recommended Pair) JAN-6189W=12AU7WA Sylvania NOS 1973-1974 (9.2/9.6ma and 9.8/8.6ma)
(!!!!) (Recommended Pair) JAN-CRC-30 RCA NOS 1940's same build (2.9ma and 3.0ma)
(!!!!) (Recommended Pair) JRC-5751 RCA black plates test like new 1960's faded printing (2.8/2.7ma and 2.5/2.5ma) (high Gm)
(!!!!) (Recommended Philips Pair) 5814A Philips JAN NOS 1985 (9.5/10.5ma and 10/11.2ma) (same Gm)
(!!!!) (Recommended RCA Single) 6V6G RCA branded Haltron coated glass NOS 1940's (42ma)
(!!!!) (Recommended Single) 12AU7A Sylvania NOS 1960's (10/2/11.2ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (10.2/10.6ma)
(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (9/9ma)
(!!!!) (Recommended Single) 6350 GE NOS 1960's (11.2/13.2ma)
(!!!!) (Recommended Single) 6L6GC RCA black plates branded Westinghouse like new double "D" getters 1960 era (72ma)
(!!!!) (Recommended Single) 6SL7WGT Sylvania brown base round black plates "D" getter tests like new 1957 (2.1/2.3ma)
(!!!!) (Recommended Single) 6V6G Sylvania branded Haltron coated glass NOS 1940's (50ma)
(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (19.5ma pentode / 8ma triode)
(!!!!) (Recommended Single) JAN-7308 Raytheon NOS 1968 (10.4/15.2ma)
(!!!!) (Recommended Single) JAN-7308 Raytheon NOS 1968 (12.5/16.8ma)
(!!!!) (Recommended Single) JG-5751WA GE NOS black plates triple mica D getter halo 1955 (2.1/2.5ma)
