Audio

5dot1.com - Promotes the use of surround sound and multi-channel audio systems. Sites includes information on how to listen to and record for 5.1 surround sound, articles of Dolby Digital, DTS and using AC-3 on CD-R discs.
http://www.5dot1.com/

AudioNova - Audio resource for manufacturers, forums, magazines and journals.
http://www.audionova.nu/

The Audioholics - Includes information, reviews and technical guides for equipment and accessories.
http://www.audioholics.com/

Audio Review - Offers consumer-generated product reviews, ratings, prices for brands and models.
http://www.audioreview.com/

Home Theater Discussion Forum - Database of home theater information, set-up hints and buyers guides.
http://www.smr-archive.com/

Sonic State - The music and pro-audio theme park. Features classifieds, synth site, directory, and chat.
http://www.sonicstate.com/

AudioKarma - Focused to stereo high-fidelity, including tube audio, home theater, and especially vintage 1970s gear, even vintage TV receivers. Site offers discussion forums, help, and general information for the audio enthusiast.
http://www.audiokarma.org/

Useful Audio Potpourri, A - Focuses on indoor FM antenna design and a Hafler circuit for surround sound. Also, includes a directory of related links.
http://members.tripod.com/martin_leese/Audio/

Los Angeles Audio File - Home theater and audio community with product reviews.
http://www.laaudiofile.com/

Tuner Information Center - Focused on vintage FM stereo tuners. Reviews, explanations of how tuners work, explains about tube tuners, and notes on alleged fraudulent online auctions.
http://www.fmtunerinfo.com/

Retro hi-fi - A vintage high-fidelity portal for discussing and displaying classic and vintage amplifiers, tuners, turntables such as Thorens, Quad, and pick-up arms. Also, provides a classified listings.
http://www.retrohifi.co.uk/

AudioWorld - Audio industry, news, reviews, ratings, references, company directory, and cross reference.
http://www.audioworld.com/

Audio Ideas Guide - Hi-fi and Home Theater e-zines. Reviews, news, articles, tweaks, and other audiophile resources.
http://www.audio-ideas.com/

Remote Central - Information on mid- to high-end universal remote controls: product reviews; message forums.
http://www.remotecentral.com/