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5Y4GA RCA NOS 1963 (54/40 and 57/40)
5Y4GA RCA NOS 1971 (54/40 and 60/40)
5Y4GA Sylvania branded Zenith NOS 1960's (54/40 and 57/40)
5Y4GA Sylvania NOS 1960's (53/40 and 58/40)
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)
5Z4 CBS NOS 1954 (53/40 and 55/40)
5Z4 Ken Rad NOS 1946 (53/40 and 53/40)
5Z4 Ken Rad NOS 1949 (53/40 and 53/40)
5Z4 RCA JAN NOS 1959 (51/40 and 51/40)
5Z4 RCA NOS mid-1940's (50/40 and 51/40)
6005=6AQ5A RCA NOS 1970's (39ma)
6005=6AQ5A RCA NOS 1973 (41ma)
6074 RCA NOS 1954-1956 (high stability 0B2) (0 in stock)
6074 RCA NOS 1960-1961 (high stability 0B2) (0 in stock)
6080 RCA black plates used/good 1956 broken guide pin (66/77ma)
6080WB Raytheon black plates NOS 1966 (95/120ma)
6136=6AU6WB GE 5 star black plate NOS 1956 (6.6ma)
6146 unknown maker NOS in CEI box tilted glass (116ma)
6146A GE NOS 1960's (82ma)
