Links
Information
Duncan’s Amp Pages – home of the Tube Datasheet Locater and Schematics Index
Frank’s Electron Tube Pages – searchable index of tube data sheets
Setiawan Schematic Library – a nice collection of tube amp schematics
The Fi Primer – an interesting collection of amplifier schematics by J.C. Morrison
Wade’s Audio And Tube Page – another nice collection of amplifier schematics
Gary’s Tube Swap Homepage – a tube enthusiast with parts for sale and some project ideas
World Tube Audio Portal – A large directory of tube links
Andrea Ciuffoli’s Audio Design Guide – a large collection of his own amplifier projects
Fred Nachbaur’s Vacuum Tube Projects – a few well documented tube amplifier projects.
Experiments in Electrocution – a few more amplifier projects
Suppliers
Antique Electronic Supply – very large selection of tubes and other electronic parts
Audio Electronic Supply – a general audio parts supplier who also carries tube parts
Bottlehead Corporation – very well priced high-end amplifier kits
Brent Jessee Recording – huge selection of NOS tubes
Electro-Harmonix – new production tubes (mostly Russian) mainly for instrument amplifiers
KCA NOS Tubes – nice collection of NOS tubes, leaning more towards guitar amp types
Parts Connexion – formerly the Part Connection, now a new company with very nice catalog
SND Tube Sales – a sizable collection of NOS tubes for sale
STF Electronics – a basic selection of mostly new production tubes, as well as a few kits
Triode Electronics – nice selection of new and NOS tubes and parts, as well as a lot of tube amp history and information
Vacuum Tubes, Inc. – another collection of NOS tubes for sale
Welborne Labs – lots of DIY tube amp parts and kits.
Manufacturers
(some don’t have working links)
AVVT – Alesa Vaic Vacuum Technology, manufactured in Prague, Czech Republic
Cetron – manufactured by Richardson Electronics in La Fox, IL, USA
Ei Electronic Industries – manufactured in Nis, Serbia
Golden Dragon – manufactured in China by Liuzhou
JJ Electronic – formerly Tesla, manufactured in Cadca, Slovakia
KR Enterprise – manufactured in Prague, Czech Republic
Shuguang Electrical Factory No. 1 – manufactured in China
Sino – manufactured in Beijing, China; may have stopped production
Sovtek – brand name owned by New Sensor, whos are tubes imported from the Reflector Corp plant in Saratov, Russia
Svetlana – PM Components (of the UK) is now importing tubes from Svetlana Electron Devices in St. Petersburg, Russia.
Valve Art – made by O&J Enterprises in Changsha, Hunan (China)
Westrex Corporation – (Western Electric) manufactured in Kansas City, MO, USA