Vacuum Tube Links

Tube Data and Info:

Duncan Amps - Tube datasheet library - also download the power supply design tool - great software for free!
WPS Electon Tube Database - lots of obscure tube data

Dynaco:

Dynaco Schematics - A link back to my page of every vintage Dynaco Tube Schematic
Dynaco CDROM - A link back to ordering information for the Dynaco CDROM
Greg Dunn's Dynaco Page - Greg did a great job putting together the History of Dynaco, as well as having a very complete listing of other Dynaco Links

DIY Audio:

Bottlehead - Great kits at attractive prices, and lots of parafeed stuff.
Claudio Bonavolta - some nice schematics
RCA's RC10 - Thanks to Tim Reese
Emissions Lab - mostly in Japanese, but great photos
Mach Mat - many tube related schematics
The FI Primer - The bible of DIY Audio!
Aprilsound - Importer's of Tango transformers, and some great schematics
Audio Design Guide - Andrea Ciuffoli's site with some nice material, but way too many banners!
Tim Reese's Home Page - everything from Reptiles to Triodes!
Line Preamp Project - A nicely written article on linestages
PAE - Great information about Russian high Mu Tubes (6C45, 6H30 etc) including a single tube amp, and 211 circuit
Steve Bench's Page - A "must visit" page of tube audio design!
Bob Danielak - Bob's DC-Darling has to be one of the best sounding "micro" amps ever
Roscoe Primrose - 2A3, 45 and 5842 designs
Triode Audio - A french site with 845 and 833 designs

Transformer Vendors:

Electra-Print Audio Co. - Jack Elliano's fantastic transformers!
EIFL - Japanese exporter of Tango and Tamura transformers, Diatone Speakers etc.
One Electron - John Atwood's Transformers and Schematics
Magnequest - Sold via Bottlehead or Handmade Electronics
Hammond - Budget transformers that perform surprisingly well

Tube Vendors:

Vintage Audio Sites:

Magazines:

PCB Resources:

Press 'n Peel - A quick toner transfer method for making PC boards at home
Express PCB - Quick and inexpensive service for prototyping PC boards, free CAD software

Tube Testers:

Pagett's Hickok Pages - Illustrated Guide to Hickok testers, Calibration and Service Information
Cardmatic - Aaron's AN/USM-118 (Hickok "Cardmatic" 1234) Page
Nolan Lee's Redneck Page - Nolan has taken up the task of typing in the tester data for many of the Military Testers including I-177, TV2,3,4,7 and 10 into Excel Worksheets. What a huge Job!
Straub's Tube Page - Huge selection of tester data for many of the Hickok types
Klausmobile Tube Tester - Complete plans for a tube tester and curve tracer.
Tubewizard - Hickok Sales and Repair
John's Cardmatic Page - History of the Cardmatic's with great photos.

Solid State <gasp> Audio:

Please see main page for contact information