This website is not affiliated with or sponsored by qsc. Neutrik combo connectors provide active balanced xlr and 14 trs inputs for maximum input flexibility. Its a great time to upgrade your home music studio gear with the largest selection at. The usa400 belongs to the usa series and was first manufactured in 1997. Amplifier circuit board assembly for qsc kla12 loudspeaker. This prominence is the result of the companys mission to establish new standards of reliability and performance through the development of breakthrough technologies. The amplifiers the usa 370, csa 850 and usa 1 300 amplifiers. Qsc usa 0 power amp discussion in amps and cabs bg. Qsc usa 370, usa 850, usa 0 owners manual page 1 1 qsc usa 370. Qsc diagrams, schematics and service manuals download for free. Meanwhile i own five of these, bought between 201618 and between 100200 each.
Brand qscmodel usa 0cosmetic rating 810condition usedchannels 2functionality fully functionalcosme. Qsc usa370,usa850,usa0 service manual download, schematics. I got qsc usa 370, 800 and 0 and they all have clip limiters around 8 years ago one of my friends destroyed eight 18inch drivers using eight qsc usa 900 amplifiers in bridged mode. Quality specialty components 1885 s vineyard ave unit 1 ontario, ca 91761 email. The qsc usa 0 produces 650 watts per channel at 4ohms and up to 2000 watts bridged mono at 4ohms. We use cookies to understand how you use our site and to improve your experience. Main circuit board for qsc plx1104 power amplifier. Good amp and probably on the used market its a good price. Qscusa400 amp schematic audio service manual,circuit diagram,users manual qsc plx3402 service manual,circuit diagram,users manual qscrmx5050 audio service manual,circuit diagram,users manual. Yes it would i have the usa 850 the little brother of the 0 it is actually a dual power amp so if you have 2 cabs one 4 ohm and one 8 or something like that you can run them both off their own channels and balance out the sound levels or bridge it and get the 0 watts at 4 ohms. You connect the speakers to the two red binding posts.
Qscs amplifiers and mixeramplifiers meet the demanding requirements of audio professionals in. By continuing to use our site, you accept our use of cookies, cookie policy, privacy. Jun 16, 2009 so i walked into the theater today where the amps had been on all day for the theater camp i am working for to hear a nasty hiss coming from the house right speaker. Selectable input limiters reduce prolonged amplifier clipping, dramatically lowering distortion and protecting speakers. Qsc audio ultimate drawings, schematics, repair service manuals. The nice parts about the amp are that it is still fully discreet, bulletproof, very stab.
Download the qsc usa0 manuals for free hifi manuals. If you have any questions please email us directly. Please fill out all required fields before submitting your information. Qsc usa 0 manual professional power amplifier hifi engine. When providing repair or replacement service, qsc will. Qsc spare parts amplifiers loudspeakers mixers qsys. For greater savings check out our used qsc usa 0 power amp and get a great deal today. Find great deals on ebay for qsc usa 900 and qsc usa 10.
Qsc usa 400 manual professional power amplifier hifi. Im getting a pretty decent deal on an old qsc usa 0 amp. Qsc audio ultimate drawings, schematics, repair service manuals home. This module explores basic navigation of the qsys designer software. The tone and punch was very good, i would not hesitate to use one given the situation. Due to the massive impact from covid19 virus some orders are subject to delays in processing and shipping. This is where you will find the inventory, schematic pages, uci, snapshots, named controls, and design inspector panels. Qsc professional power amplifier usa 0 take a look. Continuous average output power both channels driven. The best amp for this setup is the qsc 5050, set to about 28 to 30 gain. Qsc usa400 900 10 service manual download, schematics. The owners manual is used as an reference guide, instruction manual and instruction book. The switch is located below the input barrier strip. To purchase usa 400 spares or accessories, please contact the company via their website or visit an.
Visit us online for more information or to download service manuals today. Overview and test of a qsc series one 1400 from 1995. Save money on used qsc live power amplifiers at guitar center. I am also, btw, the house sound technician at the theater. Qsc 3500 seriesthree power amplifier service manual contents. It has 14 in inputs and the redblack banana plug speaker outputs. Qsc usa 850 pdf download audio owners manual of qsc usa 370, usa 850, usa 0 for free. You need ample power because these babys need 0 rms each tower. These are the pages that will be accessible to the enduser via a qsc touch panel, a desktop, or a personal device such as an ipad.
All the drivers coils were charred which only comes from overdriving the amplifier. Unfollow qsc usa 10 to stop getting updates on your ebay feed. Qsc amplifiers are the goto solution for deliver power to your speakers, no matter the venue. This fully functional qsc usa 370 power amp was recently pulled from its only installation in a church system where it was only used to power the nursery speakers onceweek. Qsc has become a globally recognized leader in professional audio over the past four decades. Qsc usa 0 manual professional power amplifier hifi. This innovative company has introduced major developments to power amplifiers, loudspeakers, digital mixers, and more all priced for everyday, working live sound engineers.
I love its power, versatility and musical sound and i use some of them in a small homecinema application firing some electro voice sx 80 and two diymacaudio subs using 380 15 absolute drivers. The usa series includes a comprehensive set of advanced features. Qsc audio ultimate drawings, schematics, repair service. Download the qsc usa400 manuals for free hifi manuals. Can anyone please tell me if my zoom 708ii bass pedal can adequately drive this amp, or should i start looking for a dedicated preamp. Qsc has been in operation for nearly five decades as a leader in the fields of power amps, digital signal processing, and digital mixers. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. Qsc usa 900 worked very well for me, it was a bit awkward at 3 rack spaces which is why i bought something smaller. Qsc usa 900 amplifier 450wt qsc usa 900 amplifier specification. Qsc plx1104 power amplifier the plx2 series is a range of premium quality, highpower amplifiers designed for the most demanding live performance uses. Qsc1100 professional amplifier, original schematics for service 100. Qsc1100 professional amplifier, schematics for service download here. Free qsc diagrams, schematics, service manuals schematics. The amplifiers the usa 370, csa 850 and usa 1 300 amplifiers arc intended for professional sound rclnforcement and monitoring applications.
Founded nearly 50 years ago, qsc is a leading designer of speakers, power amplifiers, mixers, and other pro audio equipment. For decades, qsc has brought some of the biggest ideas to hit the world of soundreinforcement technology. Do not hcsitatc to call vour qsc dealer for assistancc unth qucstions about installarion, or servicing of the amplifier. Qsc speakers use digital signal processing or dsp to adjust the frequency spectrum in real time, with added guardrail technology to protect your speakers from harmful clipping. To purchase usa 0 spares or accessories, please contact the company via their website or visit an authorised retailer. Another one of qscs more popular power amps is the plx3602. Qsc usa 850 professional 2 channel power amplifier local pickup only. The schematic is a technical drawing or diagram of your system, a perfect supplement to the service manual.
Built on the third generation of qsc powerlight technology, plx2 amplifiers combine light weight, superlative audio quality, and proven qsc reliability. Qsc audio usa 370, usa 850, usa 0 pdf user manuals. Schematics, test procedures, technical circuit descriptions, troubleshooting guide fault diagnosis, interconnection diagram, block diagram signal flow, service bulletins engineering changes modifications. Usa 370 o usa 0 o o usa 850 power amplifier operation manual osc sc. Controls can be copied from the schematic to the uci so that the user only has control of.
1178 894 1345 1120 1307 1516 440 570 1013 1567 305 940 503 205 1173 160 1454 268 665 1288 751 41 1246 1195 1385 840 723 278 550 1347