(!!!!) (Best Pair) 807 Raytheon gray plate NOS 1950's (71.8ma and 67.5ma) (similar Gm)
(!!!!) (Best Single) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (84ma) (1st version of ATS25)
(!!!!) (Best Value Pair) 807 RCA black plate NOS 1950's same build (63.8ma and 64.5ma)
(!!!!) (Recommended Pair) 807 RCA black plates NOS and like new 1940's - 1958 same build (65ma and 68.6ma)
(!!!!) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (67ma) (1st version of ATS25)
(!!!) (Best Value Pair) 807 RCA black plate NOS and used 1970-1975 (67.5ma and 65.2ma)
(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)
(!!!) 807=ATS25 GEC England ceramic base NOS 1940's dark gray plate (64.5ma)
(!!) (Recommended Pair) 807 RCA branded GE black plate 1959 NOS and 1960 like new same build (61.5ma and 65.4ma) (close Gm)
(!!) (Recommended Pair) 807 Russian branded CEI NOS 1970's (67.5ma and 70ma)
(!!) (Recommended Pair) 807 Russian branded Sylvania NOS 1970's (68.5ma and 71.5ma)
(!) (PAIR) 5933=807W Sylvania NOS double D getters 1950's (75ma and 77.2ma)
(!) 807 GE Italy gray plate NOS 1967 same build as UK made (80ma)
(!) 807 made in England rebranded SICTE South America NOS gray plate 1970's (66.5ma)
(!) 807 made in England rebranded SICTE South America NOS gray plate 1970's (75ma)
(!) 807 Mullard UK rebranded GE NOS 1967 (71ma)
(!) 807 Mullard UK rebranded Sylvania NOS 1966 (81ma)
(!) 807 National Union black plate NOS 1954 (73ma)
(!) 807 Russian gray plate branded GE England used/good 1975 (57.8ma)
(!) 807 Russian gray plate branded GE England used/good 1976 (65ma)
