LOUDSPEAKERS AMPLIFIERS

Brand Owner (click to sort) Address Description
ARCITEC ACOUSTIC ArciTec Acoustic A/S Damgaardsvej 2 DK-7600 Struer Denmark Loudspeakers and amplifiers;ACOUSTIC;
DB DYNAMICS Wharfedale (Aust) Pty Ltd. Unit F, 6 Narabang Way Belrose, New South Whales 2085 Australia Loudspeakers and amplifiers; music and sound recording and reproducing apparatus and systems, namely, compact disc players, dvd players, video players, video recorders and phonograph record players; microphones and headphones; loud speaker and amplifier cabinets;DB;
DECADE JBL, Incorporated 250 Crossways Park Dr. Woodbury NY 11797 loudspeakers and amplifiers;
DIABLO Music in Motion, Inc. 168 North Halsted Street Chicago Heights IL 60411 LOUDSPEAKERS AND AMPLIFIERS;The English translation of the Spanish word DIABLO is devil.;
DYNAMIC PRECISION DYNAMIC PRECISION ANS Glabakkveien 12 2700 Kjeller Norway loudspeakers and amplifiers;
MUSICSON BENAVENT PEREZ, Joaquin Doctor Mora Sanz, s/n 46920 MISLATA (Valencia) Spain loudspeakers and amplifiers; acoustic baffles, audio mixers, microphones, audio processors, filters for loudspeakers and microphones;
QUAD DRIVE Harman International Industries 8500 Balboa Blvd. Northridge CA 91329 loudspeakers and amplifiers;
SBA DISTRIBUTED SOUND SYSTEM J. W. Davis & Company P.O. Box 26177 Dallas TX 75226 Loudspeakers and Amplifiers;No claim is made to the exclusive right to use the words Distributed Sound System, apart from the mark as shown.;
SBA DISTRIBUTED SOUND SYSTEM J. W. Davis & Company P.O. Box 26177 Dallas TX 75226 LOUDSPEAKERS AND AMPLIFIERS;DISTRIBUTED SOUND SYSTEM;
SIZMIK Linn Products Limited Glasgow Road, Waterfoot, Eaglesham Glasgow G76 0EQ United Kingdom LOUDSPEAKERS AND AMPLIFIERS;
THE BOX ULTIMATE SOUND 19330 East San Jose Avenue City of Industry CA 91748 loudspeakers and amplifiers;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A remote-controlled audio system comprises sets of loudspeakers (14A-14D) connected to power amplifier units (22A-22D) in an audio distribution unit (10) to which several audio sources, such as a compact disc unit, a tape deck, etc., are connected. Remote units (34) are provided, one in each zone with a set of loudspeakers. The loudspeakers and the remote unit are connected to the audio distribution unit by four wires whereby audio and data signals and power are transmitted to the loudspeakers and the remote unit, respectively. Each power amplifier unit may have a pair of power amplifiers, each connected to one of the loudspeakers in the set, referenced to a first ground (1) and a second ground (2), respectively. The second ground (2) is maintained at a prescribed voltage relative to the first ground. The remote unit (34A) is connected between the "ground" terminals of the two loudspeakers of the set, i.e. those connected via the speaker cables to the first and second grounds in the audio distribution unit. The remote unit has a transmitter unit which transmits control signals to the audio distribution unit via the "ground" cables. In the audio distribution unit, an interface circuit connected between the grounds conveys the control signals to a control device which adjusts the settings of the audio distribution unit in dependence thereupon. The remote units may receive power from the audio distribution unit via the transmission channel to supply their internal components.