(!!!!!) (#1 6L6GC RCA black plate quad) 6L6GC RCA black plates NOS 1960's (82.0/82.4/82.5/83.4ma) (Excellent Quad) (Best in Leben and Fender amps)
(!!!!!) (#1 6L6GC RCA black plate quad) 6L6GC RCA black plates NOS mid-1960's (74.0/75.0/76.0/76.2ma) (very nice quad) (Best for Leben)
(!!!!!) (#1A 6L6GC RCA black plate quad - Best Value) 6L6GC RCA black plates NOS 1970 era - 3 have same date codes (74.6/75.8/75.8/76.4ma) (Best for Leben)
(!!!!!) (#2 6L6GC RCA Quad) 6L6GC RCA black plates NOS original boxes (75.4, 75.4, 75.6, 76.5ma)
(!!!!!) (#3 6L6GC RCA black plate quad) 6L6GC RCA black plates NOS 1960's (83.5/84.8/85/86ma) (Nice Quad) (Best in Leben and Fender amps)
(!!!!!) (#4 6L6GC RCA black plate quad) 6L6GC RCA black plates NOS 1960's (68.5/69/70/70.5ma) (Nice quad) (Best in Leben)
(!!!!!) (#4 6L6GC RCA PAIR) 6L6GC RCA black plates NOS and like new mid-1960's (71ma and 71.5ma)
(!!!!!) (~ Best RCA Pair 1970's ~) 6L6GC RCA black plate NOS 1970's (68ma and 70ma)
(!!!!!) (~ Best RCA Pair 1975 ~) 6L6GC RCA black plate NOS 1975 (75.6ma and 78.8ma)
(!!!!!) (~ Best RCA Pair ~) 6L6GC RCA black plate NOS 1960's (77.4ma and 77.6ma) (highly recommended) (Closest Ma and Gm matching)
(!!!!!) (~ Recommended Pair 1960's ~) 6L6GC RCA black plate NOS 1960's (73ma and 73ma) (closely matched)
(!!!!!) (~ Recommended Pair 1963-1965 ~) 6L6GC RCA black plate NOS copper grid posts 1963-1965 (78.5ma and 82.5ma) (oldest pair - close Gm matching)
(!!!!!) (~ Recommended Pair ~) 6L6GC RCA black plate NOS 1970 era (70ma and 71.5ma)
(!!!!!) (~ Recommended Pair ~) 6L6GC RCA black plate NOS early 1970's same date codes (72.2ma and 72.8ma) 1-2% matched (highly recommended)
(!!!!) (#1 6L6GC Best Value Pair) 6L6GC Russian NOS 1970's misbranded 6L6GA and 6L6G Brimar (66ma and 66ma)
(!!!!) (#1 6L6GC GE PAIR) 6L6GC GE NOS 1960's same date codes (76ma and 79.5ma) (close Gm matching)
(!!!!) (#1 6L6GC Sylvania Tall Bottle Pair) 6L6GC Sylvania TALL BOTTLE NOS 1970's same build (73ma and 73ma)
(!!!!) (#1 7581A Pair) JAN-7581A Philips by Sylvania Big Bottle NOS 1985 (81/82ma)
(!!!!) (#1 7581A Pair) JAN-7581A Philips by Sylvania Big Bottle NOS 1985 (86/86ma)
(!!!!) (#1 7581A Quad) JAN-7581A Philips by Sylvania Big Bottle NOS 1985 (85, 85, 85, 85.2ma) (matched quad)
