Elliott Sound Products
- Information for audio DIY hobbyists. Articles, construction projects, links, sources.
- http://www.sound.au.com/

DIY Hi-Fi Forum
- A web community (message forum) for the discussion of DIY Audio.
- http://diyhifi.org

DIY Audio Projects
- A wide collection of DIY Audio Projects that range from chip amplifiers to speakers to tube pre-amplifiers.
- http://diyaudioprojects.com

Decibel Dungeon
- Beginners guide offers an introduction to DIY hi-fi. Includes articles on building, modifying and buying components.
- http://myweb.tiscali.co.uk/nuukspot/decdun/

Chris VenHaus Homepage
- DIY resource for Audiophiles. Includes recipes for Cat5 speaker cable, fine silver interconnects, and power cords.
- http://www.venhaus1.com/

Black Widow Audio
- DIY Audio site that includes datasheets, articles and a wide variety of projects.
- http://blackwidowaudio.com/index.htm

Leon's Audio Page
- Showcases the author's build of tube amplifiers, pre-amplifiers and restorations of tube radios.
- http://www.leonaudio.gr/

nMine.com Developments: Multi-amplification DIY Project.
- Description and photos of multi-amp PCB with three integrated amplifiers each PCB and 24 dB/Octave Linkwitz-Riley Electronic filters. Configurable as a bi-amp or tri-amp.
- http://www.nmine.com/multiamp.htm

Boozhound Laboratories
- DIY site specializing in tube audio, vintage style guitar amps, mad science and all around DIY hooliganism.
- http://boozhoundlabs.com/

Gary's Vacuum Tube Page
- Vacuum tubes for antique radios and tube audio gear.
- http://www.the-planet.org/

CoolTune Audio Projects
- Marco Rutz shares his experiences and projects in design, acoustics and recording. Personal observations, current and past projects, photo gallery, and high-end systems are showcased.
- http://home.tiscalinet.ch/cooltune/

Pass Do-It-Yourself
- Projects by Nelson Pass including amplifiers, preamps and loudspeakers. Site offers information on circuit boards, FAQs and how to articles.
- http://www.passdiy.com/

Klaus Boening's Analog Audio Web Site
- Describes a few tube amplifier projects including schematics and descriptions of the circuitry.
- http://www.klaus-boening.de/

diyAudio.com
- Web community (forum) for the discussion of DIY audio.
- http://diyaudio.com