MCM Electronics

Public Address Mixer Stereo Four Input By JBL Commercial (CSM-21) MCM Part #555-22000

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MSRP: $699.95
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Public Address Mixer

The JBL Commercial CSM-21 offers fixed I/O, pre-configured architecture, full stereo or mono operation, flexible routing and control of multiple audio sources, simple front-panel configuration and control without the need for a computer, compatibility with the CSR wall controllers, compatibility with the CSPM paging microphones, and optional duplication of audio channels to another device via a Cat5 cable.

  • 2 stereo inputs
  • 1 mic input
  • 1 line input for priority audio
  • 1 stereo output with dedicated subwoofer output
  • Quick and simple configuration via front/rear panel controls
  • Digital processor with analog-style control
  • Music EQ
  • Global mic EQ
  • AutoWarmth and LevelGuard
  • Optional CSR controllers
  • Contact closure control
  • Link bus for input sharing
  • Security plate for front panel lockout (included)

Line Inputs:
Type: 2 stereo, unbalanced RCA connectors
Nominal Sensitivity: -10dBV
Input Impedance: 20k ohms
Maximum Input: +12dBu
Equalization: Bass +/- 10dB @ 80Hz, Treble +/- 10dB @ 8kHz, 6dB/Octave Shelf
Mic Input:
Type: Balanced, 5.08 mm, Euroblock connector
Input Impedance: 2k ohms
Noise: EIN <117 dB, 150 ohm, DSP band-limited 120Hz-8kHz, BW24
Maximum Input: +20dBu
Equalization: Bass +/-6dB @ 250Hz, Treble +/-6dB @ 2kHz, 6dB/Octave Shelf
CMRR: >40dB, typically >55dB @ 1kHz
Pre-Amp Gain: +30dB to +60dB adjustable
Phantom Power: +48VDC, 10mA
Zone Output:
Type: 1 stereo (Left, Right, Sub), balanced 3.5mm, Euroblock connector
Output Impedance: 120 ohm balanced
Max. Output Level: +20dBu
Rear Panel LED Indicators:
Source Inputs: Signal Present LED (turns on at -20dBu), Signal Clip LED (turns on at +10dBu)
Mic Input: Signal Present LED (turns on at -20dBu), Signal Clip LED (turns on at +18dBu)
System Performance:
Frequency Response: 20Hz – 20kHz, +/- 0.1dB
Dynamic Range: 104dB, A-Weighted, 20Hz-20kHz
Converter Type: Mic input implements dbx Type IV Conversion System
Sample Rate: 48kHz
Crosstalk: >75 dB
THD+N: 0.005% typical at +4dBu, 20Hz-20kHz, 0dB gain
Direct Input: Balanced, 5.08mm Euroblock connector
Input Impedance: 10k ohms
Maximum Input: +20dBu
Frequency response: 20Hz-20kHz
Music Mute: 2-pin 5.08mm Euroblock connector (Connecting the pins mutes all Source inputs, does not mute Mic input)
Page Assign: 2-pin 5.08mm Euroblock connector (Connecting the pins will assign a page to the output zone)
Source Link: RJ45, CAT3 or higher. Max length 2.4m
Main Link: RJ45, CAT3 or higher. Max length 2.4m
Power Consumption: 10W
Power Requirements: 100-240V Thermal fuse in external transformer
Dimensions (WxHxD): 19.0”(483mm) x 1.8”(46mm) (no feet) x 7.0”(178mm) (including knobs and connectors)
Weight: 5.3 lbs (2.4kg
Part Numbers
MCM Part #:555-22000
JBL Commercial Part #:CSM-21
Package Specifications & Dimensions
Weight:7.35 lbs.
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:22.1 in.
Width:11.5 in.
Height:2.7 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No

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