- California Tube Laboratory, Inc. - http://www.caltubelab.com
Electron tube and vacuum tube manufacturer. High power CW and pulse magnetrons, klystrons and power grid tubes. Product listings and data sheets, and outline drawings.
- Lohmann X-Ray - http://www.lohmannx-ray.com/
Manufacturer of industrial and medical X-ray tubes, including tubes for medical, dental, and industrial applications.
- House of Tubes - http://www.house-of-tubes.com/
Ham radio and audio tubes. Online catalog with secure ordering.
- Electron Tube Data Sheets - http://www.mif.pg.gda.pl/homepages/frank/
Type index, high powered tubes and data sheets in PDF format.
- Brand X-ray Tube Co., Inc. - http://www.brandx-ray.com/
Manufacturer of x-ray tubes for use in medical, dental and industrial imaging and inspection applications.
- Antique Electronic Supply - http://www.tubesandmore.com/
Books, transformers, capacitors, and resistors. Has an online catalog and shopping cart.
- The Invention of the Vacuum Tube - http://www.maxmon.com/1883ad.htm
In 1879, the American inventor Thomas Edison publicly exhibited his incandescent electric light bulb for the first time.
- MachMat main - http://www.machmat.com/sales/
Vacuum tubes for the audio amp market.
- Freeland Products, Inc. - http://www.freeland-inc.com/
Rebuilder of vacuum power grid tubes for industrial, radio and television applications.
- The Tube Center - http://www.thetubecenter.com/
Providing HAM and amateur radio operators, antique radio enthusiasts, audio professionals and hobbyists the ability to choose from an inventory over 2000 different tube types.
- 20000 NOS Electron Tubes - http://geocities.com/nikolic_lj_dragan/Tubes/NOSElectronTubes.htm
NOS and used tubes, rare valves, virtual museum.
- TubeTronic - http://www.TubeTronic.com
Vintage Vacuum Tubes and Test Equipment. Audio tubes, TV tubes, Radio tubes and Electron tubes. 12ax7, 12au7, 12at7, Generators, Analyzers, and Counters.
- Kennetron, Inc - http://www.kennetron.com/
Offering rebuilt vacuum, oscillator, induction and transmitter tubes.
- Mike's Electric Stuff - http://www.netcomuk.co.uk/~wwl/electric.html
Antique Glass and Vacuum stuff, for electronics and high voltage.
- Vacuum Tube Valley - http://www.vacuumtube.com/
All about vacuum tubes. Tube audio amp kits.
- Tube Database Search - http://hereford.ampr.org/cgi-bin/tube
From NJ7P Great site for tube searches.
- Electron Tube Enterprises - http://members.aol.com/etetubes/
Supplier of new and used tubes, specialising in hard to find radio and audio tubes for vintage electronic equipment. Online catalogue, price list and purchasing.
- Superior X-Ray Tube Company - http://www.superiorxraytube.com
Manufactures high quality custom-made x-ray tubes for a wide range of applications such as thickness gauging, food inspection, bone densitometry, dental, medical, and baggage inspection.
- Vacuum Tube Links - http://www.acadia.net/guest/michelle/tubes.htm
A long list mostly audio stuff.
- N9Tew - http://www.hamtubes.com/tubes/
A supplier of vacuum tubes for ham, audio and antique radio purposes.
- Vacuum Tubes, Inc. - http://www.vacuumtubesinc.com/
Worldwide sellers of vacuum tubes and electron tubes for audio, radio, and industry
- Thales Electron Devices - http://www.thales-electrondevices.com/
Provides electron tubes for space, telecom, radio and TV broadcast, military , X-ray imaging, science and industry applications. Includes products specifications and application notes. Formerly Thomson Tubes Electroniques.
- D & C Electronics - http://www.dandcelectronics.com
World-wide distributor of electron tubes, sockets and magnetrons. Replacement tubes for Perkin Elmer mass spectrometer.
- Collins Tube Specials - http://www.surplussales.com/Tubes-Sock-Acc/VacTubeIndex.html
Listing of surplus tubes, searchable database.
- New Sensor Corporation - http://www.sovtek.com
Manufacturer and wholesale distributor of vacuum tubes and electronic parts. Sovtek tubes.
- Michelle Troutman's Electronics Items - http://www.michelletroutman.com
NOS and used vacuum tubes; also, service manuals and Sams Photofacts, parts, magazines, books, radios and test equipment.
- Magnatek X-ray sources - http://www.xray.dk
"Integrated X-ray generators". Also prototype x-ray sources. Danish company.
- Pacific TV Vacuum Tube Sales - http://members.shaw.ca/pacifictv
Vacuum tubes for radio, audio and amateur use. Over 1,000 types with regular 5 lot sleeve specials. Canadian site.
- Tom's Tubes - http://www.tomstubes.com
Russian PA tubes. Paypal.
- Vintage SoundWorks - http://www3.sympatico.ca/v.soundworks/
Service for all makes of vintage tube amplifiers and radios. NOS and new and used vacuum tubes.
- Daily Electronics Corp. - http://www.worldaccessnet.com/~daily/daily.html
Electron and vacuum tubes. Industrial, military, broadcast and entertainment applications supplied from inventory. Hard to find and obsolete tubes available.
- DBtubes.com - http://www.geocities.com/dbtubes2002/
New old stock, new bulk and used tested tubes. Canadian site.
- Phamitech International Company Ltd - http://www.phamitech.com
Exporter of electron tubes, TWT, valves, thyratrons, magnetrons, klystrons, transmitting tubes, heating tubes, vacuum interrupters and X-ray tubes made in China
- Penta Laboratories - http://www.pentalaboratories.com/
Manufacturer and distributor of electron tubes for broadcast, industrial, marine and avionics applications worldwide.
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