(!!!!!) (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 GE Pair) JAN-6072A GE NOS double mica black plates 1973 (2.8/3.1ma and 2.7/2.9ma)
(!!!!!) (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) JG-6072 GE NOS triple mica black plates "U" getter halo 1956 (2.6/2.6ma) 1% section balance (Blue-Tip = medical grade) (and mic grade)
(!!!!!) (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
(!!!!!) (Recommended 5 Star Single) GL-5751 GE 5-Star black plates triple mica D getter 1953 (2.1/2.6ma)
(!!!!!) (Recommended Pair) 5751 Sylvania NOS black plates triple mica D getter halo 1959-1960 same build (2.0/2.2ma and 2.0/2.3ma) 1-2% matched
(!!!!!) (Recommended Pair) 6072A GE rebranded National NOS 1960's - 1970 era in Aero Electronics boxes 1-3% matched (2.5/2.9ma and 2.7/3.0ma)
(!!!!!) (Recommended Pair) JG-5751 GE black plates triple mica "D" getter halo NOS 1955 same date codes (2.1/2.1ma and 2.0/2.2ma) 1-2% matched
(!!!!) (Best Single 1955) JG-5751WA GE NOS gray plates triple mica U getter halo 1955 (2.4/2.6ma) (High mA and Gm)
(!!!!) (Best Value Single 1950's) 5751 GE 5-Star black plates triple mica U getter halo 1955-1956 (1.9/2.1ma)
(!!!!) (Best Value) 5751 GE black plates triple mica D getter used/good 1953 in white box (1.9/2.0ma)
(!!!!) (BEST VALUE) JAN-6072A GE black plates double mica NOS 1973 (3.0/3.2ma) (mic grade)
(!!!!) (GOOD VALUE SINGLE) 6072 GE triple mica black plates "U" getter halo tests like new 1950's no printing (2.5/2.5ma) (Korby, AKG, Peluso, Soundelux, Pearlman)
(!!!!) (Recommended 5751) JG-5751WA GE black plates triple mica D getter halo low hours/tests like new 1953 in white box (2.4/2.6ma)
(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1960's (40/50ma and 45/55ma)