Lowther Club of Canada - Drivers and cabinets, vacuum tubes, and DIY accessories. An example of a D.I.Y. mp3 player for the car or home. Includes authors software, hardware and photos. The information needed to build a light-sensitive electronic noisemaker. Bobby approved' accessible site.
Page also contains the list of author's music collection with comments.
Russ's Valve Amps - This site contains guitar amps, valve amplifiers, schematics, and homebrew amps. Wade's Audio And Tube Page - Discussion of vacuum tube audio amplifiers and high fidelity equipment with photos and schematic diagrams.