(!!!!!) (Good Value Pair) 12BH7A GE ribbed plates NOS 1966-1974 (7.0/9.4ma and 7.0/10.5ma)
(!!!!!) (Recommended Pair) 12BH7A GE NOS gray oval plates large "U" getter 1957-1960 (10/12ma and 10.2/14.2ma) (McIntosh, Quicksilver, Art Audio)
(!!!!) (Best GE single 1968) 12BH7A GE NOS 1968 (15/16ma) 1-2% section balance
(!!!!) (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)
(!!!!) (Best Single) 12BH7 GE NOS gray oval plates "U" getter 1953 (13.8/14.2) (Quicksilver, Wells, Doshi, McIntosh)
(!!!!) (Best Single) 12BH7 Sylvania Silvertone black oval plates "D" getter NOS 1954 (14.4/12.2ma)
(!!!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo 1960 era (11.0/11.6ma)
(!!!!) (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)
(!!!!) (Good Value Pair) 12BH7A GE NOS gray oval plates "o" getter halo 1961-1965 (7.2/6.6ma and 8.4/6.8ma)
(!!!!) (Recommended Pair) 8417 Sylvania branded RCA NOS 1972-1973 (119.2ma and 123.7ma)
(!!!) (Best Single) 8417 Sylvania NOS (111ma)
(!!!) (Best Single) 8417 Sylvania NOS (121ma)
(!!!) (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)
(!!!) 12BH7 GE Silvertone gray oval plates NOS "U" getter 1953 (8.2/8.0ma)
(!!!) 12BH7A GE NOS gray oval plates 1960's (9.5/13.5ma)
(!!!) 8417 GE NOS 1986 (103.5ma)