(!!!!!) (Best JAN Pair) JAN-6550A GE NOS "stapled plates" 1984-1985 (123ma and 124ma)
(!!!!!) (BEST OVERALL QUAD) JAN-6550A GE NOS 1985-1986 (146ma, 146.5ma, 147.0ma, 147.6ma)
(!!!!!) (BEST OVERALL QUAD) JAN-6550A GE NOS 1985-1986 (147ma, 148ma, 148.6ma, 149.5ma)
(!!!!!) (BEST OVERALL QUAD) JAN-6550A GE NOS 1985-1986 (151.5ma, 151.5ma, 153ma, 153.2ma)
(!!!!!) (BEST OVERALL QUAD) JAN-6550A GE NOS 1985-1986 (151ma, 151.5ma, 151.8ma, 153.0ma)
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (137ma and 139.3ma)
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (145.6ma and 146ma) 1% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (153.3ma and 154.5ma) 1-2% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (156.8ma and 158.2ma) 1-2% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (129ma, 129ma, 129.5ma, 130ma) 1-3% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (130.2ma, 131ma, 131.2ma, 132.6ma) 1-3% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (132ma, 133.5ma, 134ma, 134.5ma) 1-3% matched
(!!!!!) (Recommended Pair) 6550A GE NOS "stapled plates" 1985-1986 (147.4ma and 149ma)
(!!!!!) (Recommended Single) 6550 Tungsol black plate NOS 1960 (136ma) (Recommended for Audio Research and Tavish power supply)
(!!!!) (Best Tungsol Single) 6550 Tungsol USA NOS branded Sylvania gray smooth plate 1960 era (142.5ma) (Audio Research, Tavish power supply)
(!!!!) (Recommended Tungsol Single) 6550 Tungsol black plate like new 1957 tarnished base (130ma) (Recommended for Audio Research power supply)
(!!!) (Best Value Single) 6550 Tungsol gray smooth plate 1960 low hours/like new (125ma) (Recommended for Audio Research power supply)
(!!!) (BEST VALUE) 6550 Tungsol USA NOS gray smooth plate rebranded RCA 1962 (123ma) (Recommended for Audio Research Ref power supply)
(!!) (BEST VALUE) 6550A GE stapled plates NOS around 1980 (119ma) (nice single)
(!!) (Recommended Single) 6550A GE stapled plates NOS 1979 (136.5ma)
