User Manual for QSC CMX2000Va 2500W Professional Power Amplifier Click to enlarge the picture
Contents of the user manual for the QSC CMX2000Va 2500W Professional 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 CMX2000Va 2500W Professional 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 CMX2000Va 2500W Professional Power Amplifier is a 3RU power amplifier designed for live sound reinforcement applications such as for performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and more.
The amplifier uses a powerful, high-current toroidal transformer with filtering to ensure sufficient energy reserves. This allows the amplifier to handle high-level transients, even when driving 2Ω speaker loads.
The amplifier output sections feature 3-tier class H architecture. The class H output section reduces AC current draw and cuts down on unnecessary heat. Automatic current limiting protects the amplifier from damage until the short is corrected. It also features DC protection systems to prevent loudspeaker damage in the unlikely event of an output transistor failure. DC voltage from the power supply is never passed directly to your speakers, even in case of an output circuit breakdown.
A full complementary output circuit using high-grade linear output devices generates a flat-frequency response with low distortion. SMT (Surface Mount Technology) triples small-signal component density, enabling high power output in a 3RU chassis, less than 16" deep. The output devices are directly mounted to the heat sink to improve thermal coupling and cooling.
The unit has the ability to directly drive 70 and/or 100V distributed loudspeakers. The amplifier may be used in either stereo or mono mode. For installations requiring a transformer isolated output, the CMX has optional accessories to accommodate different applications. - Flex-use loading options can drive low-impedance loads down to 2Ω 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
- May be used in either stereo or mono mode
- Used in facilities such as performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and FGM/BGM systems
UPC: 684284063021 In the Box QSC CMX2000Va 2500W Professional Power Amplifier Power Cord Limited 3-Year Warranty, Extendable to 6 Years with Registration Table of Contents
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Technical parametersQSC CMX2000VA Specs | Connectors | Input (active balanced): 2 x barrier strip
2 x 3-Pin XLR
2 x 1/4" (6.3 mm) to TRS tip and XLR pin 2 positive
Output:2 x detachable terminal block
2 x Neutrik Speakon | | Stereo FTC Power | 8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 1050 W
8Ω / EIA 1,000 Hz / 0.1% THD: 1100 W
4Ω / FTC 20 to 20,000 Hz / 0.1% THD: 1600 W
4Ω / EIA 1,000 Hz / 0.5% THD: 2000 W (1% THD)
2Ω / EIA 1,000 Hz / 1% THD: 2500 W
70 V Direct Drive / EIA 1,000 Hz / 1% THD: 2500 W
100 V Direct Drive / EIA 1,000 Hz / 1% THD: 1000 W | | Bridge | 8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 3200 W
8Ω / EIA 1,000 Hz / 0.1% THD: 3600 W
4Ω / EIA 1,000 Hz / 1% THD: 5000 W
70 V Direct Drive / EIA 1,000 Hz / 1% THD: 5000 W
100 V Direct Drive / EIA 1,000 Hz / 1% THD: 3600 W | | Signal to Noise Ratio | 20 to 20,000 Hz, 8Ω: > -100 dB | | Input Sensitivity @ 8 ohms | 1.42 V (+5.3 dBu) | | Voltage Gain | At 8 Ω: 64 x (36 dB) | | Output Circuit | 3-tier Class H | | Power Requirements | Typical, 1/8 Power Pink Noise at 4 Ω, 120 VAC: 13.9 A
Typical, 1/8 Power Pink Noise at 4 Ω, 230 VAC: 7 A
Severe, 1/3 Power Pink Noise at 4 Ω, 120 VAC: 26.9 A
Severe, 1/3 Power Pink Noise at 4 Ω, 230 VAC: 13.5 A | | Distortion | SMPTE-M: < 0.01%
20 to 20,000 Hz at 10 dB below rated power (typical): < 0.03% THD / 4 Ω and 8 Ω
1,000 Hz and below full-rated power (typical): <0.03% THD at 4 Ω and 8 Ω | | Frequency Response | 20 to 20,000 Hz: ±1 dB
-3 dB points: 5 to 50,000 Hz | | Damping Factor | > 300 at 8 Ω (1,000 Hz and below) | | Input Impedance | 10 kΩ unbalanced, 20 kΩ balanced | | Input Clipping Level | 10 Vrms (+22 dB) | | Cooling | Continuously variable-speed fan, rear-to-front air flow | | Controls | Front: AC switch, channel 1 and 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, triac crowbar | | Power Requirement | 120 and 230 VAC, 50 to 60 Hz | | Dimensions (H x W x D) | 5.2 x 19.0 x 15.9" (13.2 x 48.3 x 40.0 cm) | | Weight | 75.0 lb (33.1 kg) | | | | Package Weight | 80.6 lb | | Box Dimensions (LxWxH) | 24.0 x 22.0 x 8.0" |
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