Questa appendice è stata realizzata utilizzando il lavoro di documentazione svolto da Steve Ekblad. E' possibile consultare l'elenco aggiornato dei link all'indirizzo: http://www.audiogrid.com/arsl.html
Ringrazio l'autore per avermi dato l'autorizzazione ad utilizzare il suo lavoro.
U Alberta Electrical Engineering FTP Service
UF Technology - one stop connector house - Sim Lim Square, Singapore, China
UKD - UK Distributors Of The Finest Italian Audio Products
Ulrich Haumann's Vintage HiFi Pages - DIY projects including plasma speakers
Ultrasound Hifi - amplifiers, cables, and speakers - Italy
Ultimate Entertainment and System Design
Ultimate Sonics - Distributors of High End Hi-fi - London, UK
Ultimate Sound & Security Keyport, NJ
Ultimate Speaker Company - US Enclosure Company - Composite enclosures by Kris Metaverso
Ultra-Fi - DIY audio - by Steven St.Laurent
ULTRASONE - Headphones and headsets
Ultrasound HiFi - Padova, Italy
Unbeatable Company UK - mail order electronics
UNCA Audio Engineering Department
Underground Sound - Memphis, TN
Understanding the Sony Ear Bud line
Under the Couch Recording Studio
Underwater acoustics - University of Bath
Unified Box Model for Loudspeaker Design
UNI HiFi - high quality audio - Bremen, Germany
United States Autosound Competition - USAC
UNI-TONE Electromart - Audio Retailer - Singapore
Unity Motion Widows and Orphans - A Home Theater
Universal Audio - authentic reproductions of vintage analog equipment
Universal Electronics, Inc. (UEIC)
University Audio Shop - fine audio equipment - Madison WI
University of Akron - Department of Physics MUSIC, SOUND AND PHYSICS
University of Denmark Department of Acoustic Technology
University of Essex - Department of Electronic Systems Engineering
University of Ghent, Belgium - Acoustics
University of Hannover, Hannover Germany - Audio software page
University of Salford Applied Acoustics Department
University of Southampton - Department of Electronics and Computer Science
University of Washington - Consumer Electronics Design Education Project
Unleash Your Music - Downloadable E-Book on how to make your system most musical
Unofficial Coda Technologies page
Unofficial Ricoh CD-ReWritable Page - CDRW-capable AudioCD Players
Unoffical Sharp 701/702 MiniDisc homepage
Unplugged Sound - Acoustic Sound Reinforcement & Audio Engineering by Anton Niedersteiner
Upscale Audio - rare tubes and home theater - Upland, CA
Upscale Audio Exchange - new and used audio equipment - Hollywood, Florida
USA Audio Video - mail order AV out of Minnesota
USAcoustics - Car Audio Amplifiers
Used Sound - completely free, classified advertisements
UsedSSL.com - The offical factory source for used SSL consoles
Usher Audio - Loudspeaker and electronics manufacturer - Taipei, Taiwan
U.S. Optical Disc - Sanford, Maine
US Speaker - professional speaker parts and components
Utility Muffin Research Kitchen [Frank Zappa's famous studio]
