(!!!!) (Best Overall Pair) 6L6G RCA black plate coated glass used/test like new 1944 (69.5ma and 71.2ma) (close Gm)
(!!!!) (Best Overall Pair) 6L6G=VT-115A RCA black plate coated glass NOS mid-1940's (81ma and 82.8ma) (rare) (same Gm)
