(!!!!!) (Best Overall Single) 6SC7GTY Tungsol NOS black round plates NOS 1950 era - small chip out of base (2.1ma and 2.2ma)
(!!!!!) (BEST SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (56/40 and 56/40) 1% balance
(!!!!!) (BEST SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (56/40 and 56/40) 1% diode balance
(!!!!!) (Best Tungsol Pair) 5881 Tungsol 1960-1967 like new and used - same build (66.2ma and 66.5ma)
(!!!!!) (Recommended Pair) 5881 GE Canada NOS 1966-1967 (65.2ma and 68.5ma) (same build as Tungsol)
(!!!!!) (Recommended Pair) JAN-CTL6SL7WGT Tungsol NOS brown base gray ribbed plates 1961-1965 (2.1/2.2ma and 2.1/2.3ma) (low noise - very smooth sound) (phono grade)
(!!!!!) (Recommended Single) 421A=5998 Western Electric NOS 1984 (81ma and 94ma)
(!!!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (56/40 and 60/40)
(!!!!!) (Single) 45 Tungsol tests like new 1940's (40ma)
(!!!!) (2nd Best Single) JAN-5998 Tungsol black plates top and side getter NOS 1966 (88ma and 101ma)
(!!!!) (Best GE Pair) 5V4GA GE NOS rebranded Sylvania same date codes (63-65/40 and 63-66/40)
(!!!!) (Best Overall Pair) 6550 Tungsol gray plates NOS 1975 (139ma and 140.5ma)
(!!!!) (Best Overall Single) JAN-5998=421A Tungsol black plates top and side getter NOS 1966 (124ma and 119ma) (Close Gm)
(!!!!) (Best Pair) 5U4GB RCA NOS 1970-1973 (62-62/40 and 60-60/40)
(!!!!) (BEST PAIR) 5V4G National Union NOS 1951 same date codes (56/40 and 56/40 x 2 tubes) 1% matched
(!!!!) (Best Pair) 6550 Tungsol gray plates NOS 1975 (128ma and 129ma)
(!!!!) (Best Pair) 6550 Tungsol gray plates NOS 1975 (130ma and 131ma)
(!!!!) (Best Pair) JTL-5814A Tungsol ribbed plates 1959-1960 (10.6/10.0ma and 10.0/10.4ma)
(!!!!) (BEST PRICE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (10 in stock)
(!!!!) (Best Single 1953) 12AY7 GE rebranded Raytheon "GRAY BOX PLATES" NOS "D" getter 1953 (3.2/3.5ma)