Website by Patrick Turner a must, the education+DIY section is great - Australia
http://www.turneraudio.com.au/

Tubelab Inc. by George Anderson DIY tube audio - USA
http://www.tubelab.com/

Evolve amplifiers Interesting DIY Amplifiers - Japan
http://www.ne.jp/asahi/evo/amp/guide.htm

120 Watt 6336B Amplifier Push-pull amplifier using the 6336 tube
http://home.dc.rr.com/t7/index.html

Moxtone by Master M interesting and high quality projects for DIY audio
http://www.moxtone.com/

Mark's Project Pages Microprocessor-controlled Preamplifier - UK
http://www.mhennessy.f9.co.uk/index.htm

Audioworkshop DIY Digial-to-Analog convertors
http://www.audioworkshop.com.hk/index_en.htm

T-Amp Tweaking - In Italian but with great pix.

http://www.maurarte.com/T-AMP.htm

Tim F's Audio Stuff


SpeakerLab System 7 Rebuild
http://www.timn8er.com/BJsSystem7_Rebuild.htm

Lot's of other stuff
http://www.timn8er.com/index.htm

DIY Loudspeaker Projects from Troels Gravesen, Denmark

http://www.troelsgravesen.dk/Diy_Loudspeaker_Projects.htm

Japanese Mods Page : Sony, Pioneer, Kenwood, Denon, Yamaha, Sansui...

In Japanese but the pics speak for themselves :

http://www.kameson.com/audio/INDEX.htm

There are some FREE kits amd samples of Low ESR caps in this page :

http://www.low-esr.com/

From HIFIDIY - Build your own cdp

Chineese site, now available in English (upper right corner).

http://www.hifidiy.net/jhwz/200706/t20070626_989.htm

http://www.hifidiy.net/jhwz/200706/t20070626_990.htm

http://www.hifidiy.net/jhwz/200706/t20070626_991.htm

http://www.hifidiy.net/jhwz/200706/t20070626_992.htm

Ray's Audio Page

A Marantz site.
CD-player modifications, Service manuals and schematics, DIY projects

http://home.quicknet.nl/qn/prive/ra.vdsteen/index_en.html

Lot's of good stuff...


http://www.lampizator.eu/LAMPIZATOR/REFERE...references.html

From a Japanese DIY site:

Extreme ground-loops.

http://www.diyzone.net/article.php?sid=742

Repair your speakers.

http://www.audiofriends.nl/speakerfoam/en/

Planet10
Excellent site for DIY Full Range Driver Enclosure Plans.

http://www.planet10-hifi.com/index.html

DHTRob - Tube Amps, Fullrange Speakers and many more...

http://www.dhtrob.com/index_en.htm

BursonAudio - Opamps & more...

http://www.bursonaudio.com/Burson_HDAM_Module.htm

Zero Feedback Impedance Amplifiers

http://www.susan-parker.co.uk/zeus.htm