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User Manual for QSC CMX800Va 1200W Commercial Power Amplifier Click to enlarge the picture
Contents of the user manual for the QSC CMX800Va 1200W Commercial Power Amplifier
- Product category: Power Amplifiers QSC
- Brand: QSC
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QSC Power Amplifiers
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User manual for the QSC CMX800Va 1200W Commercial Power Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any QSC product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official QSC user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a QSC product will considerably shorten its lifespan!
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Product description The QSC CMX800Va 1200W Commercial Power Amplifier is a rack-mountable 2 RU power amp designed to provide clean and stable amplification for system integrators and sound technicians in facilities such as concert venues, houses of worship, clubs, theaters, and FGM/BGM systems. It provides 500/800/1200W at 8/4/2 Ohms in stereo or 1500/2400W at 8/4 Ohms bridged mono, and can directly drive 70/100V lines.
Multiple balanced inputs are available via barrier strip, XLR, and 1/4" TRS connections. Both terminal block and speakON outputs are installed. Recessed and detented gain controls allow for precise and repeatable gain settings. The low-distortion Class-H output circuitry delivers a flat frequency response from 20 Hz to 20 kHz and reduces current draw and heat. Additional cooling is achieved through the integration of a variable speed fan, which utilizes rear-to-front airflow to push air through the front-panel vent holes. Automatic current limiting and DC protection guard the CMX800Va against damage from shorts and transistor failure. - Flex-use loading options can drive low-impedance loads down to 2 Ohms and even 70 and 100V distributed loudspeaker systems
- Flex-use input connectivity choices including actively balanced barrier strip, XLR, or 1/4" TRS
- Flex-use output connectivity choices include NL4 speakON and detachable terminal block
- Rack-mountable chassis less than 16" deep
- 1 dB recessed, detented gain control provides fast, accurate, and repeatable settings
- Tamper-proof security cover for gain controls
- Recessed rear DIP switches for easy selection of stereo, parallel, or bridged mode operation, and the additional choice of enabling/disabling low frequency filter protection
- Low-noise, variable-speed fans with rear-to-front airflow prevent amplifiers and racks from overheating
- Used in facilities such as performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and FGM/BGM systems
UPC: 684284062994 In the Box QSC CMX800Va 1200W Commercial Power Amplifier (2 RU) Limited 3-Year Warranty (Additional Limited 3-Year Warranty with Product Registration) Table of Contents
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Technical parametersQSC CMX800VA Specs | Rack Height | 2 RU | | Watts | Stereo: 1200 W @ 1 kHz, 1% THD (2 Ohms)
Mono: 2400 W @ 1 kHz, 1% THD (4 Ohms) | | Stereo FTC Power | 8 Ohms / FTC 20 Hz to 20 kHz / 0.1% THD: 450 W
8 Ohms / EIA 1 kHz / 0.1% THD: 500 W
4 Ohms / FTC 20 Hz to 20 kHz / 0.1% THD: 650 W
4 Ohms / EIA 1 kHz / 0.5% THD: 800 W
2 Ohms / EIA 1 kHz / 1% THD: 1200 W
70 V Direct Drive / EIA 1 kHz / 1% THD: 400 W | | Bridge | 8 Ohms / FTC 20 Hz to 20 kHz / 0.1% THD: 1300 W
8 Ohms / EIA 1 kHz / 0.1% THD: 1500 W
4 Ohms / EIA 1 kHz / 1% THD: 2400 W
70 V Direct Drive / EIA 1 kHz / 1% THD: 2000 W
100 V Direct Drive / EIA 1 kHz / 1% THD: 2300 W | | Signal to Noise Ratio | > -100 dB (20 Hz to 20 kHz, 8 Ohms) | | Input Sensitivity | 1.23 V / 4 dBu (measured into 8 Ohms) | | Voltage Gain | 46 x (33 dB) | | Output Circuit | 2-tier Class-H | | Power Requirements | Typical, 1/8 Power Pink Noise at 4 Ohms, 120 VAC: 6.3 A
Typical, 1/8 Power Pink Noise at 4 Ohms, 230 VAC: 3.2 A
Severe, 1/3 Power Pink Noise at 4 Ohms, 120 VAC: 15.6 A
Severe, 1/3 Power Pink Noise at 4 Ohms, 230 VAC: 7.8 A | | Distortion | SMPTE-M: < 0.01%
Typical: 20 Hz to 20 kHz 10 dB below rated power < 0.03% THD / 4 Ohms and 8 Ohms
1 kHz and below full-rated power < 0.03% THD / 4 Ohms and 8 Ohms | | Frequency Response | 20 Hz to 20 kHz: ±1 dB
-3 dB Points: 5 Hz and 50 kHz | | Damping Factor | > 300 at 8 Ohms (1 kHz and below) | | Input Impedance | 10 kOhms unbalanced, 20 kOhms balanced | | Input Clipping Level | 10 VRMS (+22 dB) | | Cooling | Continuously variable-speed fan, rear-to-front air flow | | Inputs | 1 x barrier strip
2 x XLR 3-pin
2 x 1/4" (6.3 mm) TRS | | Outputs | 1 x detachable terminal block
2 x Neutrik speakON | | Controls | Front: AC switch, channel 1 & 2 gain knobs
Rear: 10-position DIP switch | | Indicators | Power-On: Green LED
Signal: Green LED (1 per channel)
Clip: Red LED (1 per channel) | | Protection | Amplifier: Stable into reactive or mismatched loads
Load: On/off muting, AC coupling | | Power Requirement | 120 and 230 VAC, 50 to 60 Hz | | Dimensions (H x W x D) | 3.5 x 19.0 x 15.9" / 8.9 x 48.3 x 40.0 cm | | Weight | 44.5 lb / 20.2 kg | | | | Package Weight | 44.8 lb | | Box Dimensions (LxWxH) | 24.0 x 21.7 x 6.0" |
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