The company ’s products are used in stadiums, concert halls, churches, and other public spaces where amplified sound is needed and have been chosen for such high-profile events as the Super Bowl, the Indianapolis 500, and the Academy Awards. Other QSC products include the QSControl remote audio monitoring system, the RAVE ethernet audio transport system, and the ISIS and QSC-ACE lines of speakers. Many of the company ’s amplifiers utilize the firm ’s PowerWave switching power supply, which is significantly lighter in weight than standard designs for high-power amplifiers. is a leading manufacturer of high-power sound amplifiers and speakers as well as computer control, signal transport, and digital signal processing products for audio applications. NAIC: 334310 Audio and Video Equipment Manufacturing Thanks in advance for any suggestions on this.Incorporated: 1968 as Quilter Sound Company cap failure, output relays bad, solder problems, or certain parts of these amps that commonly give a headache? They are certainly beginning to cause some big headaches around here! Has anyone out there that also services these amps seen any common problems with them. I'm getting tired of sending these back and forth to either QSC or the local service center and would prefer to start repairing them myself to effect a faster turn around and less service trips to remove end then install a loaner amp and then re-install the customers repaired amp and so on. Most are about 10 years old and many of them use the built in QSC X-over card as most of the systems they're in are bi-amped. Some have had shorted bridge rectifiers and some just seem to drop a channel and the result is no output, but that channels circuit seems to be operating just fine. There are alot of these amps in use in movie theatres in my servicing area and we are starting to see many failures of them.
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