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.
五亿彩app是正规的吗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 Overall Pair) JAN-CRP-5751 Raytheon black plates windmill getter halo NOS 1963 (2.4/2.5ma and 2.4/2.5ma)
(!!!!) (Best RCA Pair 1968) 12AX7A RCA CMI gray ribbed plates NOS 1968 same date codes (best tone) (1.0/1.1ma and 1.0/1.2ma)
(!!!!!) (Best Overall RCA Pair) 12AU7A RCA CMI clear top copper grid posts NOS 1969 (10.2/10.6ma and 10.2/10.6ma) (Highest Ma and Gm) 1% matched
(!!!!!) (Recommended Matched Quad) 8417 Sylvania branded RCA NOS 1974 (80ma, 82ma, 83ma, 84ma)
(!!!!!) (Best Overall Pair) 45 Tungsol NOS 1945 - pair was originally factory sealed (33.6ma and 34.2ma) 1-3% matched (superb sonics)