User manual for QSC CX254 Four Channel Power Amplifier CX254
- 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
We recommend checking out our discussion threads on the QSC CX254 Four Channel Power Amplifier CX254,
which address similar problems with connecting and setting up 70-Volt Amplifiers QSC.
User manual for the QSC CX254 Four Channel Power Amplifier CX254
The user manual for the QSC CX254 Four Channel Power Amplifier CX254 provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - 70-Volt Amplifiers.
The QSC CX254 is a 4-channel power amplifier, designed primarily in support of fixed installation sound systems. The 2RU rackmountable unit is surprisingly lightweight, and provides a customized integrated security cover.
If you own a QSC 70-volt 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 CX254 Four Channel Power Amplifier CX254 in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
Additional parameters of the QSC CX254 Four Channel Power Amplifier CX254:
| Power Rating || Stereo @ 2 Ohms: 450 Watts per Channel |
Stereo @ 4 Ohms: 250W per Channel
Stereo @ 8 Ohms: 170W per Channel
Bridge-Mono @ 4 Ohms: 900W per Channel
Bridge-Mono @ 8 Ohms: 500W per Channel
Bridge-Mono @ 16 Ohms: 340 Watts per Channel
| Damping Factor || >500(1kHz and below) |
| Input Sensitivity || 1.22 Vrms |
| Input Impedance || 12 kohms(Balanced) |
| Gain || 29dB @ 8 ohms |
| Frequency Response || 20Hz - 20kHz, +/- 0.2 dB |
8Hz - 50kHz, +0, -3 dB
| Signal-to-Noise Ratio || Not Specified by Manufacturer |
| Total Harmonic Distortion (THD) || <0.01%, 10db Below Rated Power, 20Hz - 20kHz |
<0.01%, Full Rated Power, 1kHz and below
| Input Connections || 4 x 3-Position Euroblock Connectors |
2 x Dataport HD-15(Channel 1+2, Channel 3+4)
| Output Connectors || 1 x 6-Position Barrier Strip with Monitor Connections(Channel 1+2, Channel 3+4) |
| Controls Front Panel || 1 x Power Switch |
4 x Rotary Gain Knobs
| Controls (Rear) || 2 x Clip Limiter On/Off Switches |
2 x LF Filter On/Off Switch
2 x LF 33Hz or 75Hz Frequency Select Switch
2 x Parallel or Stereo Input Select Switches
1 x Bridge Mode Select Switch
(Note: Switches above are duplicate DIP Switch sets for Channel 1+2, Channel 3+4)
| Indicators || 1 x Green Power On LED Indicator Lights |
2 x Yellow Bridged MODE LED Indicator Lights(Channel 1+2, 3+4)
2 x Red Parallel Mode LED Indicator Lights(Channel 1+2, 3+4)
4 x Red Clip/Protect LED Indicator Lights
4 x Yellow Level -10dB LED Indicator Lights
4 x Yellow Level -20dB LED Indicator Lights
4 x Green Signal -35dB LED Indicator Lights
| Cooling || Variable Speed Fan, Rear to Front Airflow through Tunnel Heat Sink |
| Power Consumption || 14.3A(2 Ohms Stereo, 120V) |
9.2A(4 Ohms Stereo, 120V)
5.8A(8 Ohms Stereo, 120V)
| Dimensions (WxHxD) || 19 x 3.5 x 14" (483 x 89 x 356mm) |
| Weight || 21 lbs (9.5kg) |
| Specialties || Powerwave Power Supply |
Varispeed Fan Cooling
Custom Integrated Security Cover
| Package Weight || 27.0 lb |
| Box Dimensions (LxWxH) || 24.0 x 18.0 x 5.5" |
The user manual for the QSC CX254 Four Channel Power Amplifier CX254 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 CX254 Four Channel Power Amplifier CX254.
The user manual lists all of the functions of the QSC CX254 Four Channel Power Amplifier CX254,
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 CX254 Four Channel Power Amplifier CX254. User manuals are also
available on the QSC website under Pro Audio - Installation Sound - 70-Volt Amplifiers.
Question and answer discussion forum concerning user instructions and resolving problems with the QSC CX254 Four Channel Power Amplifier CX254 - no comments have been made yet - be the first to add a comment
Post new comment/question/response regarding the QSC CX254 Four Channel Power Amplifier CX254