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(!!!!!) (Best Overall Pair) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953-1954 NOS (2.7/3.0ma and 2.8/2.7ma) (AKG, Tele 251, Peluso, Rode)
(!!!!!) (Best Pair #2) 5687WA and 5687WB GE black plates like new 1970's (39/38.5ma and 37/41ma) (Highest Ma and Gm)
(!!!!!) (Best Single #2) JG-6072 GE double mica black plates "O" getter NOS 1963 (3.3/3.1ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (Best Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 like new (2.3/2.2ma) (V1 guitar amp, mics, Audio Note) 1-2% section balance
(!!!!!) (Best Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 like new (2.6/2.5ma) (V1 guitar amp, mics, Audio Note) 1-2% section balance
(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1980 (7/8ma and 7.3/8.2ma)
(!!!!!) (Best Value Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 used/tests like new (2.8/3.4ma) (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)
(!!!!!) (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)
(!!!!) (2nd Best Single 1950's) ECC33=6SN7GT Mullard black plates platter getter halo NOS 1950-1955 (8.3/7.5ma)
(!!!!) (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 Overall Single) ECC33 Mullard gray plates "D" getter halo NOS 1961 (9/9ma) 1-2% section balance
(!!!!) (Best Overall) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (113ma/119ma) (close triode section balance)
(!!!!) (Best Pair #2) JAN-5755 Raytheon Black Plates NOS 1973 (1.6/1.7ma and 1.7/1.8ma) (High Gm)
(!!!!) (Best Pair #2) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (84ma/104ma and 91ma/95ma) (close Gm balance)
(!!!!) (Best Pair) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (94ma/91ma and 92ma/103ma) (close Gm balance)
(!!!!) (Best Raytheon Pair) JAN-5755 Raytheon Black Plates NOS 1979 (1.7/1.8ma and 1.9/1.7ma)
(!!!!) (Best Single #1) 12AX7 RCA black plates branded Westinghouse "U" getter NOS 1950's (1.1/1.4ma and Gm=1700/1800) (strong mA and Gm)
(!!!!) (Best Single #1) 12AX7 RCA Motorola black plates "D" getter like new 1956 (1.5/1.7ma and Gm=1700/1800)
