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Communications

• 461
• BOI Audioworks
• Vacuum tubes and related components for hifi audio, guitar amplifiers and radio.

• 462
• Crowthorne Tubes
• Crowthorne, Berkshire in England. Buying and selling valves, valve testers, components and test equipment.

• 463
• ESRC1 Corp
• Sells vacuum tubes, valves, grid caps, sockets, capacitors and tubes for amplifiers.

• 464
• Electron Tubes
• Tubes for hi-Fi amateur radio and other applications.

• 465
• Electron Tubes for Industry
• Supplier of electron tubes, vacuum tube ,and test equipment.

• 466
• Langrex Supplies Ltd.
• UK supplier of vacuum tubes and other electronic components

• 467
• Leeds Radio
• Brooklyn, New York source for rare and hard-to-find parts and tubes. Includes technical information and vintage advertisements.

• 468
• Parts Express
• Supplier of vacuum tubes and other electronic components

• 469
• QRO-Parts
• Supplier of electron tubes, coaxial relay and vacuum capacitors.

• 470
• Radio Electric Supply
• New and new old stock vacuum tubes for sale, plus a list of tubes they want to buy.

• 471
• SND Tube Sales
• Offers a variety of tube and testers.

• 472
• Tejas Tubes
• NOS Vacuum tubes and electron tubes dealer located in Houston Texas

• 473
• The Tube Center
• Supplier of vacuum tubes, grid caps, and sockets for amplifiers.

• 474
• The Tube Shop
• Supplier of tubes primarily for audio, industrial and ham radio applications.

• 475
• Triode Electronics Inc.
• Supplier of vacuum tubes and other electronic items

• 476
• Tubes Ru
• Russian supplier of vacuum tubes

• 477
• TubesontheWeb.Com
• This site has computerized vacuum tube testers and tubes for sale.

• 478
• Tubesworld
• Sells new, old and NOS tubes to restore or make radio. Also sells electronics components and parts.

• 479
• Upscale Audio
• Supplier of vacuum tubes and other audio items

• 480
• Watford Valves
• Suppliers of valves to the professional music industry.