(!!!!) (Best Quad) 8417 RCA by Sylvania NOS 1960's - 1970's (100, 101.6, 103, 102ma)
(!!!!) (Best Quad) 8417 RCA by Sylvania NOS 1970's (95.5, 96, 98, 99.6ma)
(!!!!) (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (84ma and 85.5ma)
(!!!!) (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (92ma and 92.5ma)
(!!!!) (Recommended Pair) 8417 Sylvania branded RCA NOS 1972-1973 (119.2ma and 123.7ma)
(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)
(!!!!) (Single) 12BH7A Sylvania NOS gray oval plates NOS 1965 era (8.2/8.4ma) 1-3% section balance
(!!!) (Best Single) 8417 Sylvania NOS (121ma)
(!!!) (Best Single) 8417 Sylvania NOS 1970 era (111ma)
(!!!) (Best Sylvania Single) 8417 Sylvania NOS branded Westinghouse NOS 1973 (113mA)
(!!!) (Best Value) JAN-6X4WA Sylvania NOS 1972-1979 (1 in stock)
(!!!) (Recommended Pair) 8417 GE NOS 1969 and 1986 same build (91ma and 94.6ma)
(!!!) (Single) 8417 Sylvania branded Dumont NOS 1980 (84ma)
(!!!) 12BH7 GE Silvertone gray oval plates NOS "U" getter 1953 (8.2/8.0ma)
(!!!) 8417 GE NOS 1986 (103.5ma)
(!!) (Best Pair) 8417 Sylvania NOS 1970 era same date codes (112.2ma and 114.5ma)
(!!) (BEST VALUE PAIR) 8417 Sylvania rebranded GE NOS in white boxes 1970's (86ma and 84ma)
(!!) (Best Value Single) 12BH7A Hitachi Japan 1970's branded Westinghouse NOS 1984 (11.8/12.9ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Good Value Single) 12BH7A GE Daystrom gray oval plates low hours like new 1960's (9.2/9.0ma) (Same Gm)
(!!) (Recommended Pair) 8417 Sylvania branded RCA NOS 1960's - 1970 (106ma and 108ma)
