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(!!!!!) (Recommended Pair) 6V6GT Ken Rad coated glass NOS 1949 (39ma and 42ma)
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!) (BEST PAIR #2) 2A3 Ken Rad branded GE coated glass NOS 1949-1950 (110ma and 103ma) (close Gm) (sound fantastic)
(!!!!) (BEST PAIR) 2A3 Ken Rad branded GE coated glass NOS 1949-1950 (117ma and 114ma) (sound fantastic)
(!!!!) (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma)
(!!!!) (Best Value Pair) 6B4G Raytheon NOS 1940's separate plates, 1 branded Philco (90ma and 91.5ma)
(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (82ma and 83ma)
(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (86ma and 92ma)
(!!!!) (Recommended Pair) 6C4C=6B4G Russian NOS 1958-1967 (79ma and 85ma) (one of the best sounding 6B4G ever made)
(!!!) (Best Pair) 826 Ken Rad NOS 1942 same date codes original boxes strong emission
(!!!) (Best Single) JAN-CKS-6SJ7 Ken Rad NOS 1944 (3.3ma)
(!!!) (Best Sylvania Pair) 6B4G Sylvania NOS 1940's same build (92ma and 95ma)
(!!!) (Best Value Single) JAN-CKR-6SJ7 Ken Rad NOS 1944 (2.5mA)
(!!!) (Best Value Single) JAN-CKR-6SJ7 Ken Rad NOS 1944 (2.6mA)
(!!!) (Recommended Pair) 76 Sylvania NOS - 1 tube branded National Union 1947 era same build (5.3ma and 5.6ma)
(!!!) (SINGLE) 6B4G Philco by Sylvania engarevd base NOS 1930's (91ma)
(!!!) (Slightly microphonic Single) 6SL7GT Ken Rad NOS 1945 era (2.6/2.3ma)
(!!!) 6B4G Tungsol NOS 1940's (81ma)
(!!!) 6V6G Zenith Sylvania engraved base used/good 1930's (39ma)