| AA5 History: A description of the classic "All-American" five-tube superheterodyne AC/DC AM radio circuit used in the majority of consumer receivers made in North America, from the 1930s through to the '60s. Includes a tube substitution table and a typical schematic diagram. |
| Atwater Kent Tech Resources: Provides service manuals, schematics, and reference material for technicians involved in restoring and maintaining sets built from 1921 to 1936. Also includes parts fabrication drawings and high-quality redrawn schematics. The Antenna section features indoor installations from the manufacturer's instructions. |
| Crystal Rocket Radio: How to build your own, by Gary Litwin, using a water-powered toy rocket. Text-only, with an ASCII art diagram. |
| FM Pilotuner 601: Rick Botti provides the instructions issued by Pilot Radio Corporation for hooking up the T-601 FM tuner to a typical vintage AM-only radio set that is not already equipped with a phono input. He also has also scans of the owner's manual, and of service notes for the T-601 including the schematic, parts list, and alignment procedure. |
| How to Rejuvenate your Headphones: Evaluating and remagnetizing old headphones, with a Brandes pair used as an example. Originally was a presentation by Tom Provost and Gary D'Amico. |
| PhilcoRadio.com: Vintage radio restoration service, by Ron Ramirez Enterprises. Features a gallery of older Philco models, downloadable schematics, do-it-yourself servicing and tuning tips, identification and dating guide. |
| Rec.antiques.radio+phono FAQ: The newsgroup FAQ separated into several different pages, with topics ranging from vacuum tube design, to suppliers, tools and test equipment, cabinet restoration, and trouble-shooting tips. |
| Restoration of German Tube Radios - Walter's Radioflier: Index of schematics and tube data sheets that he has available. Hints for the repair of several sets, including a Volksempfänger VE 301 GW. List of spare parts that he has plus a list of parts he's looking for. [English and German] |
| Schemi Radio TV: Database of schematics of Italian-made radios as recent as 1950, available in pdf format. Requires free registration. [English, Italian] |
| The GE SuperRadio FAQ: The GE SuperRadio Frequently Asked Questions List |
| Vintage Radio Repair and Restoration: Do-it-yourself repair information, valve theory, and home-made test equipment, by British collector Paul Stenning. |