Amp Mechanic.com Music retailer dealing in amplifier tubes and parts, with tutorials on do-it-yourself amp modification and repair.
Angela Instruments Audio electronic specialty items for professionals and hobbyists; worldwide shipping.
Angela Intruments Tubes, speakers, transformers, and other parts for vintage guitar and bass amplifiers. Also instrument parts.
Aprilsound Audiophile audio transformers and accessories.
ATSI Advantage Tube Services Vacuum tubes, tubes, electron tubes: NOS and current for the most demanding audiophile and hobbyist.
Audio Kit Mania Tubes and tube related products to design and build custom amplifiers and systems.
Audio Valve One of the world fine art tube and valve amplifer for hifi stereo produced in germany.
Audiolamp Small company where the primary business is selling audiophile tube parts.
Audiomod Can modify old tube or solid state equipment to sould like new using the latest components. Charges for labor time. Parts and return shipping are billed at cost. Free estimates.
BD-Design High-efficiency loudspeakers for tube amps. Turntables and other electronics.
David Berning Co. Audio amplifiers This site contains product information on Berning audio amplifiers that are in production now, as well as technical and service information on discontinued models.
Direct Heating An association for audiophiles in search of musical sound through hand made vacuum tube amplifiers.
Duncan's Amp Pages Internet resource for vacuum tubes.A data sheet data base for tubes. SPICE models for vacuum tubes, and software available for download.
Duncan's amp pages Contains a very large collection of datasheets, schematics and PSPICE models,plus freely downloadable software.
Electron Tubes Source for electron tubes and valves. Free members area with more than 3500 specs and substitute.
Eurotubes Importer of premium european vacuum tubes direct from the manufacture.
Fi-Sonik Audio transformers, transformer materials, parts and accessories for tube amps.
Fine Bottle Information, and pointers to information, for builders or otherwise tinkering with vaccuum tube amplifiers.
Fust-electronica Netherlands source for tube information and sales of NOS tubes; Philips and Telefunken.
Gabriel Sound Garage How to build the 18 Watt all tube guitar combo amplifier. Images, blueprints, tips & tricks.
Greenstone USA Manufacturer/distributor of vacuum tubes and vacuum capacitors for audio, broadcast and military applications.
GS Tubes Online store that offers radio tubes for Hi-Fi, Hi-end, amateur radio.
Hot Glass Audio Repair, modification and restoration of vintage, vacuum tube audio equipment such as tube amplifier.
IGA Valves Spanish connection for tubes and valves
JJ Electronic Manufacturers of tubes, capacitors for high-end audio amplifiers. Base in Slovak republic and Canada.
M.V.S.Z AO Svetlana Manufacturers of high end electron tubes Svetlana 300B and Svetlana EL509-II.
Machmat Tube Information about tubes. Tube datasheets, tube schematics, tube code explanation, tube sales, and tube schematics explained.
MagneQuest Transformers Makes tube audio transformers such as air-gapped and parallel feed single-ended transformers.
Maxi-Test Company Digital tube testers for matching and testing power pentode vacuum tubes used in musical equipment amplifiers.
PAEng Design Devoted to vacuum tubes world applied to audio science. Consulting, design and engineering in audio. Power amplifiers and Hi-End oroducts.
Studio M Importer and distributor of high quality hi-fi parts: Lundahl, OEP, Riken, SCR. Located in Italy.
The Brent Jessee Recording Homepage Audiophile, antique, radio, TV, and industrial types of vacuum tubes. Also an online garage sale and a complete list of audio editing and restoration services.
The New Tube Supplier of all types of tubes, speakers, sockets and tube amplifiers.
The Vacuum Tube Page Answers the question, "What's so great about tubes?" "Must read" for those getting started in thermionics.
THL Taiwanese supplier of audio parts and DIY kits.
Triode Electronics Specializing in vintage electron tubes and tube amplifier parts. Features online ordering and worldwide shipping.
Triode Electronics Tubes and parts for Hi-Fi, radio, guitar; tube data and amp schematics.
vacuumtubes A site devoted to vacuum tube fans. Buy, sell,and trade vacuum tubes. NOS vacuum tubes listed for sale.
Valvotronics Manufacturer of high end tube audio electronics, including the Gain Ryder 3 compressor.
Variable Voltage Technology Ltd Transformers power supplies and related equipment for audio equipment. Also EL inverters and magnetron transformers. Company is located in England.
Watford Valves UK-based tube supplier. "Digitally matched and graded valves for the music industry."
Watford Valves Suppliers of tested, graded and guaranteed valves to the professional music industry.
