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.
(!!!!) (Premium 211 Sub = 38111A) USN-CRC-38111A=835 RCA NOS 1936 original boxes - very rare (1st version of the 211 ever made)
(!!!!!) (Best Overall Pair) ECC803S=12AX7 Telefunken Ulm Germany <> bottom gold pins NOS 1967 and 1969 (1.2/1.4ma and 1.2/1.5ma) (Nagra, Lamm, VTL, Aesthetix, Diva)
(!!!!) (Best Overall Pair) ECC803S=12AX7 Telefunken Ulm Germany <> bottom NOS 1965-1966 (1.1/1.1ma and 1.2/1.3ma) (Nagra, Lamm, VTL, Aesthetix, Diva)
(!!!!!) (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 Overall Pair) 350B Western Electric test like new 1972 and 1974 same build in WE boxes (101ma Gm=8250) and (105ma Gm=8700)