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(!!!!!) (Best Pair #1) 6L6GC RCA black plate NOS 1976 same date codes (68ma and 67.2ma) (Same Gm)
(!!!!!) (Best Pair #1) GL-6072 GE 5 star triple mica black plates "D" getter halo low hours/test like new fair printing (2.6/2.4ma and 2.8/2.4ma) (Strong Gm) (Audio Note, Kondo, mics)
(!!!!!) (Best Pair #2) 5687WA and 5687WB GE black plates like new 1970's (39/38.5ma and 37/41ma) (Highest Ma and Gm)
(!!!!!) (Best Pair #2) GL-6072 GE 5 star triple mica black plates "D" getter halo low hours/test like new faded printing (2.3/2.4ma and 2.5/2.6ma) (Same Gm) (Audio Note, Kondo, mics)
(!!!!!) (Best Pair) JG-5751 GE triple mica black plates "D" getter 1953-1955 low hours/like new faded printing (2.5/2.5ma and 2.4/2.3ma) 1-3% matched (Same Gm)
(!!!!!) (Best Single #1) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (10.8/8.9ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)
(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1978-1980 (7.8/8.8ma and 7.2/9.4ma)
(!!!!!) (Best Value Single 1953) 6072 GE 5 star triple mica black plates "D" getter halo 1953 low hours/tests like new (2.6/2.6ma) 1% section balance (V1 guitar amp, mics, Audio Note)
(!!!!!) (Best Value Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 used/tests like new (3.2/2.4ma) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade)
(!!!!!) (Best Value) GL-6072 GE 5 star triple mica black plates "D" getter halo used/tests like new 1953-1954 faded printing (2.8/2.7ma) (V1 guitar amp, mics, Audio Note) 1-2% section balance
(!!!!!) (Bets Value Single) GL-6072 GE 5 star triple mica black plates "D" getter halo used/tests like new 1953-1954 faded printing (2.9/2.4ma) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Recommended Single) JG-6072 GE triple mica black plates "O" getter NOS 1962 (2.9/2.3ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (Single) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (9.8/14.2ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)
(!!!!) (Best Overall Pair) JAN-5755 Raytheon Black Plates NOS 1973-1979 (1.9/2.0ma and 1.9/1.9ma) (Highest mA and Gm) 1-2% matched
(!!!!) (Best Pair #1) 6F8G Raytheon black parallel ribbed plates NOS 1940's (8.8/7.8ma and 7.4/7.6ma) (same Gm)
(!!!!) (Best Pair #1) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.6/1.5ma and 1.5/1.7ma)
(!!!!) (BEST PAIR #2) 6AN8A RCA NOS 1966-1973 (15.6/16.5ma and 15.6/13.4ma) (close Gm)
(!!!!) (Best Pair #2) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.2/1.2ma and 1.3/1.3ma) 1-5% matched
(!!!!) (Best Pair #2) ECC83=12AX7 BRIMAR EDISWAN VALVE England gray ribbed plates "o" getter NOS 1960's (1.3/1.5ma and 1.8/1.3ma) (close Gm)
