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(!) (Best Value Single) 5U4G Dumont by Tungsol used/good 1954 (50/40 and 52/40)
(!) (READ REVIEW) CV1377=GZ34 Mullard Blackburn UK NOS 1976
(!) (~ Best AZ50 Pair ~) AZ50 Miniwatt Dario France NOS 1954 (rare pair)
(!) 5AU4 GE NOS 1961 (52/40 and 54/40)
(!) 80 GE Uruguay GT-shape NOS 1950's tilted glass (58/40 and 60/40)
(!) 80 Hygrade Sylvania experimental tube used/strong 1940 era (54/40 and 52/40)
(!) 80 National Union NOS 1950 era (54/40 and 58/40)
(!) 80 Sylvania GT-shape NOS tilted glass (52/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (54/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (57/40 and 60/40)
(!) 80 Tungsol ST-shape used/good 1946 (52/40 and 54/40)
(!) VT-80 Sylvania used/strong 1940's (58/40 and 60/40)
(BEST PAIR) 3DG4 RCA NOS original boxes 1971 (1 pair)
(BEST PRICE) 25Z6GT US Brands NOS (10 for $29.99)
(BEST PRICE) 25Z6GT US Brands NOS (4 for $14.99)
(BEST PRICE) 3AL5 US Brands NOS (10 for $17.99)
(BEST PRICE) 50X6 US Brands NOS (10 for $24.99)
(Best Price) 5726=6AL5 GE JAN NOS (10 tubes for $19.99)
(Best Price) 5726=6AL5 Sylvania JAN NOS (10 tubes for $19.99)
(BEST SINGLE) 5DJ4 GE NOS 1961 (54/40 and 55/40)