(!!!!!) (Best Bugle Boy 1965) 12AX7=ECC83 Amperex Bugle Boy Holland "o" getter halo NOS 1965 (1.2ma/1.3ma)
(!!!!!) (Best Holland Pair) ECC82=12AU7 Philips Heerlen Holland NOS 1966 (10.2/10.4ma and 10.2/10.6ma) 1-2% matched (low noise)
(!!!!!) (Best Holland Pair) ECC82=12AU7 Philips Heerlen Holland NOS 1966 (10.2/10.8ma and 10.0/11.0ma) 1-2% matched (low noise)
(!!!!!) (Best Mullard XF2 Pair) EL34 Mullard XF2 NOS double "O-O" getter halos 1962 and 1965 (76ma and 79ma) (oldest Mullard pair)
(!!!!!) (Best Overall Pair) 12AX7A Mullard England International "10M Master Series" NOS 1972 (1.1/1.2ma and 1.2/1.3ma) 1-3% matched - Best Mullard 12AX7 pair you can buy
(!!!!!) (Best Overall Pair) 5687 GE "5-Star" NOS 1969 (30.0/30.5ma and 30.5/32.5ma) 1-3% matched
(!!!!!) (Best Overall Pair) 5687 GE "5-Star" NOS 1969 1-2% matched (31.5/33.5ma and 31/32.5ma) (Modwright, Audio Note, Manley, Ayon)
(!!!!!) (Best Overall Pair) 7355 GE NOS 1960's (60ma and 60ma)
(!!!!!) (BEST OVERALL QUAD) 5687 GE "5-Star" NOS 1969 1-2% matched (Audio Note, Kondo, Modwright, Manley, Ayon)
(!!!!!) (Best Overall Quad) 6L6GC RCA black plates NOS original boxes (75.4, 75.4, 75.6, 76.5ma)
(!!!!!) (Best Overall RCA Pair 1968) 12AX7A RCA CMI gray ribbed plates NOS 1968 same date codes (best tone) (1.1/1.2ma and 1.1/1.2ma) 1-2% matched
(!!!!!) (Best Overall Single) 5Y3GT Philips Holland NOS 1960's (59/40 and 60/40)
(!!!!!) (Best Overall Syvania Pair) 6SN7GTB Sylvania NOS 1960's (8.0/8.6ma and 7.8/8.4ma) (Schiit Freya, Rogue, Modwright OPPO)
(!!!!!) (Best Pair for the money) 12AX7=ECC83 Fisher Telefunken Germany <> bottom smooth plates used/very good 1963-1964 era (.9ma/1.0ma and 1.0/1.0ma)
(!!!!!) (Best Pair) 12AX7 Telefunken Germany <> bottom smooth plates like new 1960's (1.1/1.3ma and 1.1/1.4ma)
(!!!!!) (BEST PAIR) 12AX7=ECC83 Amperex Bugle Boy Holland NOS 1965-1966 red-tip mil-grade (1.0/1.0ma and 1.0/1.1ma)
(!!!!!) (BEST PAIR) 12BH7A Sylvania NOS pinched plates 1960's - 1970 era 1-2% matched (11.0/11.4ma and 11.4/12.0ma) (Art Audio, Quicksilver, Rogue, Universla Audio)
(!!!!!) (Best Pair) 5691 RCA red base black plates NOS 1960-1965 (2.5/2.6ma and 2.5/2.6ma) 1-2% matched
(!!!!!) (Best Pair) 5691 RCA red base black plates NOS branded GE 1965 same date codes (2.5/2.6ma and 2.4/2.6ma) 1-2% matched
(!!!!!) (Best Quad) 6L6GC RCA black plates NOS 1960's (78.0/78/78.5/80.4ma) (Excellent Quad) (Best in Leben and Fender amps)
