(!!) (BEST PAIR) 6CB6A RCA "D" getter NOS around 1960 (9.0ma and 9.2ma)
(!!) (BEST PAIR) 6CM7 GE NOS 1960's (5.7/5.9ma and 21.2/21.6ma)
(!!) (Best Pair) 6CW4 Sylvania NOS 1960's (120/60 and 120/60)
(!!) (Best Pair) 6CZ5 RCA black plate 1960's same build (49.5ma and 51ma)
(!!) (BEST PAIR) 6DQ6B Sylvania NOS 1960's same build (78ma and 80ma)
(!!) (Best Pair) 6GK5=6FQ5A Hitachi Japan rebranded Raytheon and GE NOS 1970 era (9.6/10ma)
(!!) (BEST PAIR) 6HB5 Sylvania NOS (105ma and 115ma)
(!!) (Best Pair) 6J6A Tungsol NOS "D" getter 1961 (9.4/10.5ma and 9.0/11.4ma)
(!!) (Best Pair) 6KM6 Sylvania NOS (148ma and 147ma)
(!!) (BEST PAIR) 6LR6 RCA NOS 1970 era (86ma and 96ma)
(!!) (Best Pair) 6SH7 GE metal can NOS 1970-1981 (11ma and 11.2ma)
(!!) (Best Pair) 6SH7 GE metal can NOS 1976 (12.2ma and 12.4ma) **
(!!) (Best Pair) ECC40 Philips NOS made by La Radiotechnique, Chartres/France 1969 (6.0/6.1ma and 6.0/6.1ma) 1-2% matched
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (47-47/40 and 47-48/40)
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (48-48/40 and 48-48/40)
(!!) (BEST PAIR) JAN-85 Tungsol NOS 1944 (49/25 and 49/25)
(!!) (BEST PRICE) 12AU6 US Brands NOS (10 tubes for $29.99)
(!!) (BEST PRICE) 6SR7 US Brands metal can NOS (4 tubes for $14.99)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.2, 10.2, 10.2, 10.2mA)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.4, 10.5, 10.6, 10.6mA)
