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(!!!!!) (Best Overall Pair) 7N7 Sylvania chrome top NOS 1950's 1-2% matched (8.6/8.6ma and 8.6/8.4ma) (same Gm) (best 6SN7 sub using adapter sockets)
(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched
(!!!) (Recommended Pair) 7N7 Sylvania NOS branded GE and RCA 1960-1965 (9.4/8.0ma and 8.0/8.4ma) (close Gm)
(!!!) (Recommended Single) E80CC=6085 Philips Holland tests like new 1961 no printing (6.7ma/6.8ma)
(!!!) (Recommended Single) E80CC=6085 Philips SQ Holland NOS 1965 (5.8ma/5.7ma) 1-2% section balance
(!!!) (Recommended Single) E80CC=6085 Philips SQ Holland NOS 1967 (5.8ma/6.9ma) (close Gm)
(!!!) (Recommended Single) JAN-CRC-2A3 RCA gray plate NOS 1946 (116ma)
(!!) (Best Single) 7N7 Sylvania branded Philco NOS parallel black plates 1940's (7.5/7.9ma)
(!!) 7N7 Sylvania branded Philco used/good short bottle parallel gray plates 1948 (7.2/7.6ma)
(!!) 7N7 Sylvania NOS 1960's (8.6/10.2ma)
(!) (Best Single) 7N7 Sylvania NOS 1960 era (10.8/11.2ma)
(!) (Good Single) 7N7 Sylvania branded GE NOS 1961-1962 (7.5/8.3ma)
7N7 Sylvania branded RCA chrome top used/good 1956 (6.6/8.4ma)
7N7 Sylvania chrome top branded GE low hours/tests like new 1957 (7.4/11.4ma)
