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5Z3G Ken Rad wide "D" getter NOS 1945 era (52/40 and 54/40)
5Z3G RCA used/good 1956 (46/40 and 48/40)
5Z3G TRIAD by RCA used/tests like new 1940's (52/40 and 52/40)
5Z3P Chinese (substitute is 5U4G or 5U4GB)
5Z4P Chinese (Best sub is 5Z4G or GZ30)
6BE3=6BZ3 NOS (16 in stock)
6BL4 RCA NOS 1950's
6BS3A RCA NOS (4 in stock)
6BS3A Sylvania NOS (1 in stock)
6BW4 Sylvania black plates used/good 1954-1955
6CM3 GE NOS 1960's (1 pair)
6Z5 Majestic NOS
6ZY5G RCA NOS 1945 (57/40 and 62/40)
7055 RCA NOS
84=6Z4 GE NOS 1950 (51/40 and 52/40)
84=6Z4 Philco used/fair 1940's (42/40 and 43/40)
84=6Z4 Raytheon used/good 1940's (52/40 and 54/40)
84=6Z4 RCA NOS GT-shape glass slightly tilted glass 1967 (44/40 and 47/40)
84=6Z4 RCA NOS GT-shape glass tilted glass 1967 (47/40 and 48/40)
84=6Z4 Sylvania branded RCA used/good 1940's (49/40 and 49/40)
