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(!!!) (Recommended Single) JHS-6005 Sylvania NOS coated glass 1966 (51.5ma)
(!!!) (Single 1962) 6DJ8 Amperex Holland used/good 1962 (11.6/12.6ma)
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom ribbed plates like new 1959 (9.6ma/11.8ma)
(!!!) (Single) 12AU7=ECC82 Telefunken Germany <> bottom smooth plates NOS 1968 (14.5ma/8.6ma)
(!!!) (Single) E80CC=6085 Philips Holland branded RTC NOS 1975 (5.4ma/5.5ma)
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)
(!!) (BEST PAIR) 6EU7 GE NOS 1970-1978 (46-47/32 and 47-47/32) 1-2% matched
(!!) (BEST SINGLE) 6BL7GTA Tungsol NOS 1960 era (43/44ma)
(!!) (BEST SINGLE) 6BX7GT Sylvania triple mica NOS 1950's (55/57ma) (1-3% section balance)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1965 (41ma)
(!!) (Best Single) 7788=E810F Amperex PQ Holland NOS 1966 (50ma)
(!!) (Best Single) ECL86=6GW8 Amperex Bugle Boy Holland NOS 1966 (1.3ma and 40ma)
(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) (SINGLE) 6BL7GT Sylvania branded Tungsol triple mica NOS 1956-1957 (36.2/31.5ma)
(!!) (SINGLE) 6BM8=ECL82 Valvo Holland used/good 1960 (1.9ma/34ma)
(!!) 12AT7 Knight by Mullard NOS 1966 (8.8/9.4ma)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!!) 5R4GYB RCA rebranded Raytheon NOS 1960's (50/40 and 53/40)
(!) (Best Value Single) 5687WA Sylvania JAN used/good faded printing 1970's (31/35.8ma)