Music in the Round

Anthem, Sonic Frontiers International, 205 Annagem Boulevard, Mississauga, Ontario L5T 2V1, Canada. Tel: (905) 362-0958. Fax: (905) 564-8726. Web: www.anthemav.com.
Ayre Acoustics, 2300-B Central Avenue, Boulder, CO 80301. Tel: (303) 442-7300, x233. Web: www.ayre.com.
Audioengine Corp. Tel: (877) 853-4447. Web: www.audioengineusa.com.