The Technician's Filing Cabinet - Links to lots of schematics and manuals.
Artemis Labs Data - manuals, schematics, and tech info on this high-end audio product line.
Randall Amplifier Info - Technical info on the stereo SE amp that was a class project.
SEA-1 (Triple-2A3) Amplifier Article and Schematic - The first amplifier to use the UBT-1 output transformers.
Fourier Components OTL Amp Information - Information on these great, but out of production OTL amps.
Dynaco CDV-Pro/CDV-2 Upgrades - Schematics of the original CDV-Pro plus ways to make it sound much better. Mods to the CDV-2 also included.
1990 P-P Transformer Tests - dated, but still relevant information on push-pull tube output transformers.
Miscellaneous Documents - Archival material on the One Electron web site.
Ampex AG-440C Journal - an ongoing chronicle of the restoration of a classic machine.