(!!!!!!) (Pairs listed in next few days) CV1067=6J5G GEC (M-O Valve) UK coated glass NOS 1950's original boxes
(!!!!!) (Best 5 Star Single) 5751 GE 5-Star black plates triple mica U getter halo 1956 (2.9/3.0ma) 1-2% section balance
(!!!!!) (Best GZ32 Pair) GZ32 Mullard England NOS "D" getter halo 1959 same date codes (60-60/40 and 60-60/40 x 2 tubes) 1-2% matched
(!!!!!) (Best GZ32 Pair) GZ32 Mullard England NOS "D" getter halo 1959 same date codes (60-60/40 and 60-61/40 x 2 tubes) 1-2% matched
(!!!!!) (Best Mullard Pair) 6V6G Mullard branded Haltron England NOS gray coated glass NOS 1950 era (43ma and 44ma)
(!!!!!) (Best Overall Pair) 12AU7 Mullard Long Plates NOS "square=D getter" dual crossbars 1957 (k61 series) (9.5/9.5ma and 10/10.2ma) 1-3% matched
(!!!!!) (Best Overall Pair) 6SL7GT RCA NOS black plates gray coated glass 1953 and 1960 same build (2.3/2.5ma and 2.6/2.6ma)
(!!!!!) (BEST OVERALL PAIR) EL37 Mullard NOS black base and brown base gray plate same build NOS 1962-1966 (90.5ma and 91.5ma)
(!!!!!) (Best Overall Pair) JHS-5751 Sylvania black plates triple mica D getter halo 1959 (2.2/2.3ma and 2.2/2.5ma) 1-3% matched
(!!!!!) (Best Overall Single) 6550 Tungsol black plate NOS branded Sylvania late 1950's (135ma) (Recommended for Audio Research power supply)
(!!!!!) (Best Pair) JHS-5751 Sylvania black plates triple mica D getter halo 1954-1955 (2.8/2.9ma and 2.9/3.1ma) 1-5% matched
(!!!!!) (Best Single) 5751 GE branded Raytheon gray plates triple mica "U" getter halo NOS 1955 (2.2/2.2ma) 1-2% section balance
(!!!!!) (BEST SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (55/40 and 56/40)
(!!!!!) (BEST SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (57/40 and 58/40)
