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User manual for QSC CX-902 2 Channel Direct Output Power Amplifier CX902
- Manufacturer: QSC
- Basic description and contents of package
- Product classification: Pro Audio - Installation Sound - Standard Amplifiers
- Safety instructions
- Startup and operation of the standard amplifiers
- Tips for setting up your QSC
- Settings and expert assistance
- Contact QSC service
- Troubleshooting
- Warranty information
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We recommend checking out our discussion threads on the QSC CX-902 2 Channel Direct Output Power Amplifier CX902,
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User manual for the QSC CX-902 2 Channel Direct Output Power Amplifier CX902
The user manual for the QSC CX-902 2 Channel Direct Output Power Amplifier CX902 provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - Standard Amplifiers.
The CX-902 2 Channel Direct Output Power Amplifier from QSC is a 2 channel, low impedance 550W output amplifier. It features PowerLight switch-mode power supply technology for high performance and has an integrated security cover designed for tamper-proof installations. This unit has a variable speed fan to maintain low noise, and 1 dB detented gain controls for fast and accurate gain settings. The active inrush limiting is designed to eliminate AC inrush current, and a class H complementary bipolar output circuitry is integrated for high efficiency.
The CX-902 features XLR and detachable Euro style input connectors and a barrier strip output connector. It also has an HD15 DataPort connector for Q-Sys and QSControl computer control and monitoring, as well as a DIP switch control for clip limiters, high pass filters, bridge-mono, and parallel operation. The selectable high pass filters protect speakers and prevent speaker transformer saturation. The unit's front panel indicators include signal, clip, protect, bridge mono, and parallel input LEDs. A comprehensive protection circuitry with DC, infrasonic, thermal overload, and short circuit protection is also featured. This unit is rackmountable and 14" deep for reduced rack cost and floor space. It is RoHS compliant and cULus listed.
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If you own a QSC standard amplifiers and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the QSC CX-902 2 Channel Direct Output Power Amplifier CX902 in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
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Additional parameters of the QSC CX-902 2 Channel Direct Output Power Amplifier CX902:
| Power Rating | Stereo Mode (Both Channels Driven):
8 Ω: 550 W, 20 Hz - 20 kHz, 0.05% THD
4 Ω: 900 W, 20 Hz - 20 kHz, 0.05% THD
2 Ω: 1500 W, 1 kHz, 1% THD
70 V: 400 W, 20 Hz-20 kHz, 0.05% THD
70 V: 440 W, 1 kHz, 0.05% THD
70 V: 600 W, 1 kHz, 1% THD
Bridged Mono Mode:
16 Ω: 1100 W, 20 Hz - 20 kHz, 0.1% THD
8 Ω: 2000 W, 20 Hz - 20 kHz, 0.1% THD
4 Ω: 3000 W, 1 kHz, 1% THD
140 V: 800 W, 20 Hz - 20 kHz, 0.05% THD
140 V: 880 W, 1 kHz, 0.05% THD
140 V: 1200 W, 1 kHz, 1% THD | | Damping Factor | >500 | | Input Sensitivity | 1.17 V rms (+3.6 dBu) @ 8 Ω rated power
1.06 V rms (+2.7 dBu) @ 4 Ω rated power | | Input Impedance | Balanced: 12 kΩ
Unbalanced: 6 kΩ | | Headroom | 2 dB @ 4 Ω, dynamic | | Input Clipping Level | 10 V rms (+22 dBu) | | Voltage Gain | 35 dB | | Output Circuit | H, 2-tier | | Frequency Response | 20 Hz - 20 kHz, ± 0.2 dB | | Noise | 20 Hz - 20 kHz: >-106 dB | | Distortion | SMPTE-IM:
<0.02%
20 Hz - 20 kHz: 10 dB below rated power: <0.01% THD
<= 1.0 kHz: full rated power: <0.01% THD | | Connectors | 1 x 3-pin, power input
1 x 3-pin XLR, channel 1 input
1 x 3-pin XLR, channel 2 input
1 x 3-pin terminal block, channel 1 input
1 x 3-pin terminal block, channel 2 input
1 x HD15 15-pin, DataPort | | Controls | Front Panel:
1 x Channel 1 attenuation knob
1 x Channel 2 attenuation knob
1 x Power On/Off switch
Rear Panel:
1 x 10-position DIP switch, channel 1
1 x 10-position DIP switch, channel 2
1 x LF filter On/Off, channel 1
1 x LF filter On/Off, channel 2
1 x Mode selection switch (stereo / parallel / bridge) | | LED Indicators | 1 x Power, green
1 x Bridge, yellow
1 x Parallel, yellow
2 x Clip, red
2 x -10 dB, green
2 x -20 dB, green
2 x Signal, green | | Cooling | Variable-speed fan, rear-to-front air flow | | Power Consumption | Idle: 0.9 A
1/8 Power Pink Noise:
8 Ω: 6.0 A
4 Ω: 9.5 A
2 Ω: 14.0 A
1/3 Power Pink Noise:
8 Ω: 11.0 A
4 Ω: 17.0 A
2 Ω: 27.0 A | | Dimensions (W x L x D) | 19.0 x 3.5 x 14.0" (48.3 x 8.9 x 35.6 cm) | | Weight | 21 lb (9.5 kg) | |
The user manual for the QSC CX-902 2 Channel Direct Output Power Amplifier CX902 can be downloaded in .pdf
format if it did not come with your new standard amplifiers, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other QSC users keep a unique electronic library
for QSC standard amplifierss,
where you can use our link to download the user manual for the QSC CX-902 2 Channel Direct Output Power Amplifier CX902.
The user manual lists all of the functions of the QSC CX-902 2 Channel Direct Output Power Amplifier CX902,
all the basic and advanced features and tells you how to use the standard amplifiers.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from QSC service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the QSC CX-902 2 Channel Direct Output Power Amplifier CX902. User manuals are also
available on the QSC website under Pro Audio - Installation Sound - Standard Amplifiers.
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