(!!) 6V6G RCA NOS rebranded Haltron England 1940's (37.5ma)
(!!) 6V6GT GE black plate NOS 1956 (45.8ma)
(!!) 6V6GT GE NOS 1963 (39.6ma)
(!!) 6V6GT Metro Holland NOS 1960's unknown maker (49ma)
(!!) 6V6GT Philco by Sylvania tests like new 1957 (42.2ma)
(!!) 6V6GT Sylvania chrome top NOS 1956 (41.6ma)
(!!) JAN-6V6GTY GE NOS brown base gray plate 1969 (43ma)
(!!) JAN-CG-6V6GT GE NOS 1954 (43.5ma) (similar to RCA)
(!!) JAN-CG-6V6GTY GE brown base gray plate NOS 1966 (48.5ma)
(!) (Best Single) 6SC7 Raytheon NOS 1952 (2.3/2.3ma)
(!) (Recommended Single) 5881=6L6WGB GE NOS 1960's (72.5ma)
(!) 12AX7A GE used/good 1981 (Gm=1150/1350, 0.6/0.8ma)
(!) 12AX7A GE used/good 1981 (Gm=1250/1250, 0.6/0.7ma)
(!) 12AX7A GE used/good 1981 (Gm=1250/1350, 0.6/0.8ma)
(!) 6V6GT Sylvania used/good 1946 (38ma)
(!) 6V6GTY GE Canada brown base black plate NOS 1970 (42.5ma) (similar to RCA black plate)
(!) JAN-6V6GT Sylvania black plate NOS 1976 (37.5ma)
(Best 12AT7 Value) JAN-12AT7WC Philips by Sylvania black plates NOS 1981-1984 (13 in stock)
(Best 12AT7 Value) JAN-12AT7WC Sylvania black plates NOS 1970's - 1982 (13 in stock)
(read review) 12AY7 GE branded RCA gray plates "D" getter NOS 1954 (2.3/2.9ma)