(!!!!) (Best Overall Pair) JAN-6528A Raytheon NOS 1978 (132/138ma and 143/144ma)
(!!) (Recommended Single) 6080WC GE NOS 1988 tilted glass (76/92ma) close Gm
6080WB Raytheon black plates NOS 1966 (95/120ma)
6336A RCA used/good 1968 (81/120ma) ***