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QSC CMX800Va 1200W Commercial Power Amplifier (2 RU)
QSC CMX800Va 1200W Commercial Power Amplifier (2 RU)
B&H # QSCMX800VA MFR # CMX800VA
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Product Highlights
- 500/800/1200W at 8/4/2 Ohms Stereo
- 1500/2400W at 8/4 Ohms Bridged Mono
- Barrier Strip, XLR & 1/4" Inputs
- Terminal Block and speakON Outputs
- 20 Hz to 20 kHz Frequency Response
- Rear-to-Front, Vari-Speed Cooling Fan
- Detented Gain Controls
- DC and Short Protection
- Low Distortion
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QSC CMX800VA overview
- 1Description
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)
Table of Contents
- 1Description
QSC 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 |
| Packaging Info | |
|---|---|
| Package Weight | 44.8 lb |
| Box Dimensions (LxWxH) | 24.0 x 21.7 x 6.0" |
QSC CMX800VA Q&A
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