User manual for QSC CX-204V 4 Channel Power Amplifier (70V) CX204V
- Manufacturer: QSC
- Basic description and contents of package
- Product classification: Pro Audio - Installation Sound - 70-Volt Amplifiers
- Safety instructions
- Startup and operation of the 70-volt amplifiers
- Tips for setting up your QSC
- Settings and expert assistance
- Contact QSC service
- Warranty information
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User manual for the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V
The user manual for the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - 70-Volt Amplifiers.
The 70V CX-204V 4 Channel Power Amplifier from QSC is designed to provide power, portability and professional sound quality at an affordable price. It is used for reproducing audio in applications requiring background music such as restaurants, small offices, conference rooms and more. It features a 300W peak solid state amplifier, and four input channels in a 2 RU 14" deep enclosure. This amp has a 3-position Euro-style detachable barrier block. The barrier block has inputs for 1, 2, 3, and 4 input connections. In terms of outputs, it features a six-position barrier strip with monitor connections for channels 1+2, 3+4. There is also an HD-15 Data-Port connector for computer control and monitoring of the amp.
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Additional parameters of the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V:
| Stereo Output || 70 V 20 Hz to 20 kHz 0.05% THD: 200 W |
70 V 1 kHz 0.05% THD: 220 W
70 V 1 kHz 1% THD: 300 W
| Bridged Mono Output || 140 V 20 Hz to 20 kHz 0.1% THD: 400 W |
140 V 1 kHz 0.05% THD: 440 W
140 V 1 kHz 1% THD: 600 W
| Input Sensitivity || 1.26 Vrms |
| Gain Control Range || 35 dB @ 70.7 V |
| Input Clipping Level || 10 Vrms (+22 dBu) |
| Output Circuit || AB + B |
| Distortion || SMPTE-IM: Less than 0.02% |
Typical: 20 Hz to 20 kHz: 10 dB below rated power, Less than 0.01 % THD
1.0 kHz and Below: Full rated power, Less than 0.01% THD
| Frequency Response || 20 Hz to 20 kHz, ± 0.2 dB 8 Hz to 50 kHz, +0/-3 dB |
| Damping Factor || Greater than 500 (1 kHz and below) |
| Input Impedance || 6k Ω unbalanced, 12k Ω balanced |
| Cooling || Variable speed fan, rear to front airflow through tunnel heat sink |
| Connectors || Input: 3 position Euro-style detachable barrier block, Ch 1,2,3 & 4 |
DataPort: HD-15 Connector, Ch 1+2, Ch 3+4
Output: Six-position barrier strip with monitor connections, Ch 1+2, Ch 3+4
| Amplifier Protection || Full short circuit, open circuit, thermal, ultrasonic, and protection. Stable into reactive or mismatched loads |
| Load || Protection: On/off muting, DC-fault power supply protection |
| Indicators || Parallel Inputs: Red LED |
Bridged: Yellow LED
Power-On: Green LED
Clip/Prot: Red LED (1 per channel)
Level-10 dB: Yellow LED (1 per channel
Level-20 dB: Yellow LED (1 per channel
Signal -35 dB: Green LED (1 per channel)
| Controls || Front: AC switch, Ch. 1, 2, 3, 4 gain knobs |
Rear: DIP switch for Ch. 1 and Ch. 2: clip limiter on/off, LF filter on/off
LF Filter Frequency Select: 50 Hz or 75 Hz; inputs parallel or stereo; bridge mode
| Power Requirements || 100, 120, 230 VAC, 50-60 Hz |
| Dimensions (L x H x D) || 19 x 3.5 x 14" (48.3 x 8.9 x 35.6 cm) |
| Weight || 21 lb (9.5 kg) |
| Package Weight || 27.0 lb |
| Box Dimensions (LxWxH) || 24.0 x 18.0 x 6.0" |
The user manual for the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V can be downloaded in .pdf
format if it did not come with your new 70-volt 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 70-volt amplifierss,
where you can use our link to download the user manual for the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V.
The user manual lists all of the functions of the QSC CX-204V 4 Channel Power Amplifier (70V) CX204V,
all the basic and advanced features and tells you how to use the 70-volt 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-204V 4 Channel Power Amplifier (70V) CX204V. User manuals are also
available on the QSC website under Pro Audio - Installation Sound - 70-Volt Amplifiers.
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