User manual JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280
Operating instructions and pdf manual for use - JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280 User manual, User manual JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280, JBL, CSMA, 280, Commercial, Series, Mixer/Amplifier, CSMA280,
User manual for JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280
Manufacturer: JBL
Basic description and contents of package
Product classification: Pro Audio - Installation Sound - Mixer/Amplifiers
Safety instructions
Startup and operation of the mixer/amplifiers
Tips for setting up your JBL
Settings and expert assistance
Contact JBL service
Troubleshooting
Warranty information
Price: 649 USD
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User manual for the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280
The user manual for the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280 provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - Mixer/Amplifiers.
The CSMA 280 Commercial Series Mixer/Amplifier from JBL is a two channel mixer/amplifier with 8 mixer channels. The CSMA 280's front panel features volume controls for each channel, master volume adjustment, adjustable bass and treble rotary controls, and a power switch. The Volume controls are surrounded by an illuminated ring so they can easily be seen and operated in darkened environments. The amplifier can drive 8Ω and 4Ω loads, and can be used with 70V and 100V distributed audio systems without the need for a separate transformer. This unit features mic/line inputs, unbalanced RCA inputs, and speaker connections. It is equipped with a RJ45 connector for use with JBL CSR-V in-wall volume controls (sold separately). The CSMA 280 mixer/amplifier's built-in universal power supply is designed to accept AC voltages from 100 to 240 VAC, 50/60Hz.
This Commercial Series mixer/amplifier is manufactured under HARMAN's GreenEdge environmental initiative, conforming to lead-free RoHS standards and utilizing recycled copper, aluminum, steel, an energy-saving powder coat finishing process, and other environmentally-conscious manufacturing processes. Its DriveCore design is meant to reduce power consumption.
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Additional parameters of the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280:
Maximum Output Power
80 W per channel into 4 Ω or 8 Ω, 1 kHz, ≤ 0.5% THD
Insertion Loss
1 dB maximum
Continuous Power
10 W per channel
Number of Channels
Input: 8 Output: 2
Line Output Level
5.0 V RMS into 10 kΩ
Input Sensitivity
Mic Input: 3 mV RMS Line Input: 775 mV RMS RCA Input: 300 mV RMS
To obtain full rated power at 8 Ω (or 5 VRMS to line output)
Frequency Response
4/8 Ω Output: 20 Hz - 20 kHz, ±2 dB 70 V/100 V Outputs: 80 Hz - 15 kHz ±2 dB Line Output: 20 Hz - 20 kHz, ±1 dB
Measured at 2.83 V RMS into rated load impedance at any output
Total Harmonic Distortion (THD)
Power Amplifier Output: <0.5%, 20 Hz - 20 kHz Line Output: 0.05% typical
Measured at 2.83 V RMS into rated load impedance at any output
Signal to Noise Ratio
> 90 dB
Nominal Input Impedance
Mic: 400 Ω Line: 20 kΩ (balanced) RCA: 50 kΩ
Minimum Load Impedance
Low Impedance Output: 4 Ω 70 V Output: 60 Ω 100 V Output: 120 Ω
The user manual for the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280 can be downloaded in .pdf
format if it did not come with your new mixer/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 JBL users keep a unique electronic library
for JBL mixer/amplifierss,
where you can use our link to download the user manual for the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280.
The user manual lists all of the functions of the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280,
all the basic and advanced features and tells you how to use the mixer/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 JBL 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 JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280. User manuals are also
available on the JBL website under Pro Audio - Installation Sound - Mixer/Amplifiers.
Question and answer discussion forum concerning user instructions and resolving problems with the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280
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Question and answer discussion forum concerning user instructions and resolving problems with the JBL CSMA 280 Commercial Series Mixer/Amplifier CSMA280