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 Raytheon Black Plates Pair) JRP-12AX7 Raytheon Black Plates NOS 1962 (1.4/1.4ma and 1.4/1.5ma) 1-2% matched (Highest Ma and Gm)
(!!!!!) (Best Value QUAD) 6V6G Mullard UK branded Haltron England NOS gray coated glass 1950 era (45.0/45.5/46.2/47.2ma)
(!!!!!) (Best Used Pair) 300B Western Electric used/good 1999 (Serial #219934 and Serial #219921) (49.2ma and 51.1ma) (Tested on Amplitrex AT1000)
(!!!!!) (Recommedend Pair from 1961) 350B Western Electric "D" getter halos used/very good 1961 same build in WE boxes (83.5ma Gm=7750) and (84.5ma Gm=7800) 1-2% matched
(!!!!) (Best 310A Pair) 310A Western Electric large punch plate NOS 1976 (5.3ma and 5.3ma) 1-2% matched