Tube World Express is a division of Tube World, Inc. Tube World Express showcases the best sounding audio vacuum tubes that Tube World has to offer in an easy-to-navigate shopping cart format. When you want the very best sounding audio tubes, shop at Tube World Express.
Western Electric engineered, designed, produced or experimented with over 785 different tubes from 1913 - 1988. Many of these tubes were superb sounding audio tubes that are still in very high demand today. These tubes include the 101D, 205D/E, 211D/E, 274A/B, 300A/B, 310A, 348A, 350B, 396A, 417A, 421A and 437A, just to name a few. Tube World stocks one of the most extensive inventories of WE tubes on the planet.
(!!!!!) (Best GZ34 in stock) GZ34 Amperex Bugle Boy Holland metal base NOS 1957 in white box, very good condition (57/40 and 58/40)
(!!!!!) (BEST SYLVANIA PAIR) 6550 Sylvania welded plates NOS same date codes 1970's (140ma and 142ma) (BEST PAIR)
(!!!!!) (BEST GE PAIR) 6550A GE NOS "stapled plates" late 1970's same build (135.5ma and 136.5ma)
(!!!!!) (Best Tungsol Single) 6550 Tungsol branded Raytheon black plate NOS original box 1950's (144ma) (Recommended for Audio Research power supply)
(!!!!) (Best 5692 Single) 5692 RCA RED BASE black plates NOS 1953 (8.0/8.7ma)