(!!!!!) (Best Quad #1) 6L6G MULLARD UK NOS 1955-1959 (67, 67, 67, 70ma)
(!!!!!) (Best Quad #2) 6L6G MULLARD UK NOS 1955 same date codes (63.6, 64, 64.6, 65.5ma) (closely matched Gm)
(!!!!) (Best Overall Pair) 6L6G=VT-115A RCA black plate coated glass NOS mid-1940's (81ma and 82.8ma) (rare) (same Gm)
(!!!!) (Best Pair) 6L6G MULLARD UK NOS 1959 (63.5ma and 64.0ma) 1-3% matched
(!!!) (4th Best Pair) 6L6G MULLARD UK NOS 1955 (68ma and 70.4ma)
(!!!) (Best Pair) 6L6G MULLARD UK BVA coated glass NOS 1955 (64.5ma and 65.2ma)
(!!!) (Best Pair) 6L6G MULLARD UK NOS 1959 (67.2ma and 68.6ma)
(!!!) (Best Value Black Plate single) 6L6GC RCA Conn black plate used/good 1962 (67ma) (Gm like new)
(!!!) (Recommended Pair) 6L6G MULLARD UK NOS 1959 (67.2ma and 65.4ma)
(!!) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(!) (Single) 6L6G RCA coated glass used/good 1946 (68ma)
(DISPLAY TUBE) 350B Western Electric used 1967 (display tube - defective)