Watford Valves - Suppliers of valves to the professional music industry. Tube World - Vacuum Tubes For Sale. Vacuum Tubes Inc - Sellers of vacuum tubes and electron tubes for audio, radio, and industry D and C Electronics - Distributor of electronic vacuum tubes, sockets and magnetrons Phamitech (China) - - Supplier of vacuum tubes, electron tubes, sockets, and RF capacitors Antique Electronic Supply - Supplier of books, capacitors, transformers, resistors and other electronic components for vacuum tube based equipment. RF Parts Company - Online catalog includes transmitting and receiving tubes for sale. Mesa Boogie - Supplier of vacuum tubes and guitar amplifiers Audio Classics - Supplier of vacuum tubes and audio/video equipment Upscale Audio - Supplier of vacuum tubes and other audio items Triode Electronics Inc. - Supplier of vacuum tubes and other electronic items SND Tube Sales - Offers a variety of tube and testers. Play Things Of The Past - Sales of vintage radio tubes. KR Audio Products - Supplier of vacuum tubes and amplifiers Mike's Old Vacuum Tubes - Selling rare old NOS vacuum tubes - Valves For audio, radio, TV, DIY and parts - in Sweden. Crowthorne Tubes - Crowthorne, Berkshire in England. Buying and selling valves, valve testers, components and test equipment. TubesontheWeb.Com - This site has computerized vacuum tube testers and tubes for sale. STF Electronics - Selling vacuum tubes, Hammond transformers, chassis, and capacitors. Online sales. The Tube Shop - Supplier of tubes primarily for audio, industrial and ham radio applications. Leeds Radio - Brooklyn, New York source for rare and hard-to-find parts and tubes. Includes technical information and vintage advertisements. Radio Electric Supply - New and new old stock vacuum tubes for sale, plus a list of tubes they want to buy. The Tube Store. - Buy vacuum tubes online. New and NOS electron tubes. Mostly audio tubes. BOI Audioworks - Vacuum tubes and related components for hifi audio, guitar amplifiers and radio. KCA NOS Tubes - Audio tubes for guitar amplifiers and audiophile equipment. Tube Depot - Supplier of vacuum tubes and other electronic parts Electron Tubes for Industry - Supplier of electron tubes, vacuum tube ,and test equipment. Tubes Ru - Russian supplier of vacuum tubes Ampwares - Supplier of vacuum tubes and other tube amp parts Eurotubes - Supplier of JJ brand vacuum tubes and other audio items Langrex Supplies Ltd. - UK supplier of vacuum tubes and other electronic components ATSI Advantage Tube Services - Supplier of vacuum tubes and other electronic items The New Tube - Supplier of vacuum tubes The Tube Center - Supplier of vacuum tubes, grid caps, and sockets for amplifiers. Western Electric - Manufacturer and supplier of vacuum tubes Tubesworld - Sells new, old and NOS tubes to restore or make radio. Also sells electronics components and parts. ABC Vacuum Tubes - Products stocked include vacuum tubes, valves, grid caps, sockets, capacitors and tubes for amplifiers. ESRC1 Corp - Sells vacuum tubes, valves, grid caps, sockets, capacitors and tubes for amplifiers. Valve & Tube Supplies - Offers an electron tube handbook and DVD as well as HT supplies for battery operated portable radios. Tubes Unlimited - NOS Vacuum tubes and electron tubes dealer.