vacuum tube

vacuum tube

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• Soft copper Tube Loops - Air conditioning soft copper tubes are perfect for loop construction. If you want to try a loop you must have an air variable capacitor or a vacuum variable capacitor. Article by PY1AHD
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• Sparkmuseum - Vintage radio and scientific apparatus by john jenkins, include antique radios, Horn Loudspeakers, Vacuum Tubes, A.C. Receivers
  [ Hits: 340 | Votes: 0 | Rating: 0 ]

• The Tube Thing - The Vacuum Tube Page with a lot of stuff about tubes
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• Glowbugs Times - Homebrew Tube Projects, Vacuum Tube Data, Articles From Old Handbooks
  [ Hits: 519 | Votes: 4 | Rating: 9.25 ]

• Tubes.ru - specialize in trading Russian vacuum tubes used in broadcasting, amateur radio, Hi-Fi audio, meteorology, communication, medical applications and industr
  [ Hits: 490 | Votes: 0 | Rating: 0 ]
• Penta Laboratories - Penta Laboratories is a Manufacturer and Distributor of Vacuum Tubes, Capacitors and Electron Tubes for Broadcast, Industrial, Marine, Medical, and Avionics applications worldwide.
  [ Hits: 353 | Votes: 0 | Rating: 0 ]
• Greenstone USA - GREENSTONE USA leader in the Vacuum Industry manufacturing products such as Vacuum Tubes, Vacuum Capacitor, Vacuum Relays, Vacuum Contactors and Vacuum Interrupters.
  [ Hits: 234 | Votes: 2 | Rating: 9.5 ]

• Evolution of Car Radios: From Marconi to Motorola - his historical account traces the development of car radios from Marconi's mobile wireless telegraph station on a steam engine vehicle in 1901 to Motorola's iconic car radio models in the 1930s. It highlights key milestones such as Alfred Grebe's radio-telephone experiments on Long Island and the introduction of Marconi-Phone 8 radios by the Daimler Company in England. The narrative explores technological advancements, including the transition from TRF to Super-Heterodyne circuitry and the integration of push-button controls. The evolution from vacuum tubes to transistors and compact discs is also documented, showcasing the continuous innovation in automotive entertainment systems.
  [ Hits: 51 | Votes: 1 | Rating: 1 ]

• Viking Vintage - Restored vintage amateur radio, shortwave & other electronics from the vacuum tube era! Specialists in restored Ham Radio boatanchors
  [ Hits: 456 | Votes: 1 | Rating: 10 ]

• Tube World - Your one-stop source for high quality new old stock vacuum tubes.
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• QRO-Parts.com - Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.
  [ Hits: 1214 | Votes: 99 | Rating: 8.88 ]
• Tubeworld - Source for high quality new old stock vacuum tubes
  [ Hits: 390 | Votes: 0 | Rating: 0 ]
• Relics of the Tube Valve era - Vacuum tubes and more from the tubular years
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• Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.
  [ Hits: 1002 | Votes: 2 | Rating: 6.5 ]

• Vacuum tube liquid cooling system - This article describes an alternative to water as the cooling liquid for amateur radio vacuum tube power amplifiers. This cooling system is designed for adequate vacuum tube cooling, reasonable cost, and very low maintenance. By K8CU
  [ Hits: 667 | Votes: 1 | Rating: 10 ]
• Vacuum Tubes - Vacuum Tubes History, Theory, and Circuits
  [ Hits: 490 | Votes: 2 | Rating: 4.5 ]
• Vacuum Tube Data - Vacuum Tube Data by Duncan Amplification.
  [ Hits: 391 | Votes: 2 | Rating: 5 ]
• What is a Vacuum Tube - Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.
  [ Hits: 281 | Votes: 2 | Rating: 10 ]

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