Roger Russell and McIntosh 
Roger was former Director of Acoustic Research for McIntosh Labs. Offers information and photos of McIntosh equipment.
http://www.roger-russell.com/The Analog Dept.
System gallery, online user manuals and maintenance information on Thorens turntables.
http://www.theanalogdept.com/
Audiophile 2000
HiFi and music guide including equipment and music reviews, and related links.
http://www.geocities.com/BourbonStreet/Quarter/9856/jrtlr.html
Naks.com
A thorough unofficial resource for Nakamichi tape decks.
http://naks.com/
Audiotools.com
Collects information on past and present models of Hi-Fi and recording equipment along with links to, history and contact information for companies and individuals active in the field.
http://audiotools.com/
The Quad ESL
Reference source on this classic electrostatic loudspeaker.
http://www.quadesl.org/
Kenwood L-07D Direct Drive Turntable
Unofficial site that focuses on this quartz PLL direct drive turntable developed in the 1970's. Learn more about technical specifications, history, photo gallery, parts and supplies.
http://www.l-07d.com/
Scruff & Audio Research
Tribute to Audio Research Corporation (ARC) SP tube preamplifiers. Photos and description of SP-2, SP-3, SP-6, SP-8 preamps. Information about tubes, line conditioners and related topics.
http://members.aol.com/unoname/sp_preampindex.html
The Classic Speaker
Support for acoustic research, repair and upgrade information, discussion forum, and links.
http://www.classicspeakerpages.net/
Audio Nirvana
Devoted to high fidelity with special attention to vintage equipment and tube equipment. Topics include news, reviews, tweaks, gallery, articles, auditions, links. English and Spanish options.
http://audio-nirvana.fortunecity.net/
ZeroGain
Offers several discussion forums, articles, news and photos. Includes registration details.
http://www.zerogain.com/
Ensoniq - an MSN Group
Offers a hub for exchanging information and swapping patches. Includes registration details.
http://groups.msn.com/Ensoniq
