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JBL CSMA 280 Commercial Series Mixer/Amplifier
JBL

JBL CSMA 280 Commercial Series Mixer/Amplifier

SKU: NCSMA280-U-US

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JBL CSMA 280 Commercial Series Mixer/Amplifier

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Description

Designed for commercial and industrial use, the CSMA 280 Commercial Series Mixer/Amplifier from JBL is a mixer/amplifier with eight mixer-channel inputs and two output channels. It’s capable of reaching 80W of peak power with 10W per channel. The unit’s front panel sports volume controls for each channel, as well as two master volume adjustment knobs, two sets of bass and treble controls, and a power switch. The volume controls are illuminated so they can be seen and operated in darkened environments.

JBL CSMA-280 Specs

Key Specs
Number of Channels
8 Input / 2 Output
Amplifier Power Rating
4 Ohms / 8 Ohms:
80 W Peak per Channel (1 kHz, 0.5% THD)
10 W RMS per Channel
Load Impedance / Voltage
4 Ohms (Minimum)
70 V (60 Ohms Minimum)
100 V (120 Ohms Minimum)
Audio I/O
2x Block 5-Pin Balanced Line/Mic Input
6x Block 3-Pin Balanced Line/Mic Input
6x Stereo RCA 5-Pin Unbalanced Summed-Mono Input
2x Block 3-Pin Balanced Aux Output
Rackmount Size
1 RU
Amplifier
Form Factor/Type
Rackmount
Number of Channels
8 Input / 2 Output
Amplifier Power Rating
4 Ohms / 8 Ohms:
80 W Peak per Channel (1 kHz, 0.5% THD)
10 W RMS per Channel
Load Impedance / Voltage
4 Ohms (Minimum)
70 V (60 Ohms Minimum)
100 V (120 Ohms Minimum)
Performance
Frequency Response
Amplifier:
20 Hz to 20 kHz ±2 dB (Low-Z)
80 Hz to 15 kHz ±2 dB (70/100 V)
Line Output:
20 Hz to 20 kHz ±1 dB
Input Sensitivity
Mic:
3 mVrms
Line:
775 mVrms
RCA:
300 mVrms
I/O Impedance
Mic Input:
400 Ohms
Line Input:
20 Kilohms (Balanced)
RCA Input:
50 Kilohms
Output Level
Line Output:
5 Vrms (10-Kilohm Load)
Insertion Loss
1 dB Maximum
SNR
> 90 dB
THD
< 0.5% (20 Hz to 20 kHz, Main Output)
0.05% (Line Output)
Crosstalk
-70 dB (1 kHz)
Signal Processing
EQ
2-Band
Connectivity
Audio I/O
2x Block 5-Pin Balanced Line/Mic Input
6x Block 3-Pin Balanced Line/Mic Input
6x Stereo RCA 5-Pin Unbalanced Summed-Mono Input
2x Block 3-Pin Balanced Aux Output
Other I/O
2x RJ45 Remote/Volume
Phantom Power
27 VDC
Power
AC Input Power
100 to 240 VAC, 50 / 60 Hz
AC Power Connector
1x IEC
Physical
Rackmount Size
1 RU
Operating Temperature
32 to 95°F / 0 to 35°C
Storage Temperature
-4 to 185°F / -20 to 85°C
Operating Humidity
0 to 95% ()
Dimensions
17.2 x 1.7 x 11.9″ / 436.9 x 43.2 x 302.3 mm
Weight
11.9 lb / 5.4 kg
Packaging Info
Package Weight
16 lb
Box Dimensions (LxWxH)
20.5 x 16.3 x 5.2″

Additional information

Weight16 lbs
Dimensions20.5 × 16.5 × 4.5 in

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JBL CSMA 280 Commercial Series Mixer/Amplifier

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