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(PAIR) 6CQ6=EF92 Haltron by Mullard England used/good 1956 (88/60 and 85/60)
(READ RERVIEW) 6K11=6Q11 GE branded Westinghouse NOS 1960's (88/80, 91/60, 84/60)
(READ REVIEW - GOOD HUMOR) 5BQ7A RCA branded Raytheon black plates "D" getter faded printing 1950's (14.0/13.6ma)
(READ REVIEW) (BEST VALUE SINGLE) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (10 in stock)
(READ REVIEW) 12AU7 RCA black plates "D" getter mid-1950's used/tests like new (9.8/11.4ma)
(READ REVIEW) 12AU7=ECC82 RT Radio Technique France long plates 1958-1959 (11.6/9.8ma) (close Gm)
(READ REVIEW) 12AX7 BRIMAR England shiney black ribbed plates "D" getter 1955 (rare)
(read review) 12AY7 GE branded RCA gray plates "D" getter NOS 1954 (2.3/2.9ma)
(Read Review) 26 Sylvania branded Westinghouse NOS 1946
(READ REVIEW) 403B Western Electric NOS D getter 1956 (7.0ma)
(READ REVIEW) 5654=6AK5 Raytheon Toshiba Japan NOS 1970's (7.2ma and 7.3ma) (same Gm)
(READ REVIEW) 5BQ7A GE gray plates NOS large "U" getter halo 1961 -1964
(READ REVIEW) 5BQ7A RCA black plates NOS 1964 (11.6/14.4ma)
(READ REVIEW) 6A8GT CBS NOS 1952 (42/29)
(READ REVIEW) 6AC7 RCA NOS 1957-1965 (9.2/9.2ma) 1-2% matched
(READ REVIEW) 6DJ8=ECC88 Philips Miniwatt Holland "o" getter halo NOS 1963-1964 (19.6/18.0ma and 17.0/20.0ma)
(Read Review) 6DJ8=ECC88 Philips Miniwatt Holland NOS 1960-1963 (16.6/17.0ma and 15.8/16.6ma) 1-5% matched
(READ REVIEW) 6SH7 GE metal can NOS (10 tubes for $34.99)
(READ REVIEW) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (10ma and 10.6ma) (Same Gm)
(READ REVIEW) 6SL7GT Tungsol tall bottle gray ribbed plates around 1960 (2.2/1.6ma)