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(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!) (5th BEST PAIR) 6SQ7 RCA NOS 1950-1953 (0.9ma and 0.9ma) **
(!!!!) (Best Pair #1) 5881 Tungsol rebranded Sylvania and GE 1960 era used/test like new (77.3ma and 74.5ma) (close Gm)
(!!!!) (Best Pair) 1L6 Sylvania NOS 1950 same date codes (20/16 and 19/16)
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1950 (1.0ma and 1.0ma) 1-2% matched **
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1950-1953 (1.0ma and 1.0ma) 1% matched **
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1953 (1.0ma and 1.0ma) 1% matched **
(!!!) (Best Single #1) 5881 Tungsol NOS 1954 (79.5ma)
(!!!) (Recommended Single) 5881 Tungsol NOS 1954 (77ma)
(!!!) (Single) 5755=420A Western Electric clear top tests like new 1952 (1.6ma/1.7ma)
(!!!) 2A3 RCA black plates D getter halo 1940's NOS in white box (102ma)
(!!) (Best Pair) 12J5GT RCA branded Zenith NOS 1944 (10.2ma and 10.2ma)
(!!) (Best Single) 7AF7 Sylvania branded Hytron NOS round black plates NOS 1952 (9.6/9.4ma) 1-3% section balance
(!!) (BEST VALUE) 12AY7 GE NOS 1966 (2.3/1.9ma)
(!!) (SINGLE) 5Z3G RCA NOS 1957 (10 in stock) (special price)
(!!) (single) 6SL7GT RCA NOS black plates gray coated glass 1959 (2.0/1.7ma)
(!!) (Single) 6SN7GTB GE branded Raytheon NOS 1970's (10/9.6ma)
(!!) (slightly microphonic) 6SL7GT RCA NOS 1950 (2.2/2.3ma) 1-2% section balance
(!!) 6BL7GTA GE NOS "D" getter 1958 (43ma/53ma)
(!) (BEST PAIR) 7B7 Sylvania branded GE NOS 1952 (100/60 and 98/60)
