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(!!) 5Z3G National Union burgundy base NOS "D" getter 1951 (56/40 and 59/40)
(!!) 5Z3G Sylvania NOS 1950 (56/40 and 58/40)
(!!) 5Z3G Westinghouse NOS 1957 (59/40 and 61/40)
(!!) AZ1 Miniwatt Dario France NOS 1954-1955 (1 in stock)
(!!) EZ35=6X5GT Mullard UK used/tests like new 1950-1955 small crack in base (52/40 and 57/40)
(!!) JAN-5Z3G RCA NOS tilted glass (56/40 and 56/40)
(!) (Best Single) 5Z3G Hytron NOS 1947 (51/40 and 51/40)
(!) (Best Single) 5Z3G RCA FAA NOS 1962 (56/40 and 55/40)
(!) (Best Single) 6ZY5G GE NOS 1951 (55/40 and 56/40)
(!) (Best Single) 6ZY5G Raytheon NOS 1940's (53/40 and 54/40)
(!) (Best Single) 866A GE NOS 1971 (57/40)
(!) (PAIR) 6BS3 Sylvania branded GE NOS (1 pair)
(!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962
(!) (READ REVIEW) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (59/40 and 59/40 x 2 tubes)
(!) 6X4 Philco by Sylvania NOS "D" getter 1959 (54/40 and 55/40)
(!) 6X4 Philco by Sylvania NOS 1961 (51/40 and 52/40)
(!) EZ80=6V4 Tungsram Hungary NOS 1960's (58/40 and 60/40)
(!) JAN-6X4WA Sylvania used/good 1967 (48/40 and 50/40)
(!) JHS-6X4W Sylvania NOS 1961 (54/40 and 55/40)
(BEST PRICE) 25W4GT US Brands (10 for $24.99) (half-wave rectifier)
