JBL CSM-21

Availability: Available Unavailable

Product Type: Pro Audio

Product Vendor: JBL

Product SKU:

Details CSM-21 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...


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Product Details

Details

CSM-21

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.

The CSM-21 features two stereo music inputs with gain control and clip LEDs, and one stereo output with an active crossover and a dedicated subwoofer output.

Two additional inputs are provided for music override. First, a mic input with phantom power and gain control can be routed to the output zone, ducking the music by a user-configurable amount. Second, a line input allows high-priority ducking of all sources, which is ideal for alarms.

Dedicated controls for music EQ and dedicated controls for global mic EQ allow the frequency content of each input type to be customized independently. LevelGuard™ is provided to retain consistent volumes between the various inputs, and AutoWarmth™ is provided to ensure full fidelity at all zone volume levels.

A Zone Remote port facilitates connection of the CSR wall controllers, which can provide source selection and/or volume control. Source select, music level, and mic level can also be controlled on the front panel. For additional control, two logic inputs facilitate page steering and music muting via contact closure.

Two RJ-45 Link ports allow multiple CSM devices to be linked to increase the number of output zones. Linking CSM devices shares the inputs from the main devices over Cat5 cable and eliminates the need for Y-cables.

An included security plate can be placed over the front panel controls to avoid uninvited changes to a commissioned system.

  • 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)

 

 

 

Specifications

Line Inputs: Type
2 stereo, unbalanced RCA connectors
Line Inputs: Nominal Sensitivity
-10dBV
Line Inputs: Input Impedance
20kOhms
Line Inputs: Maximum Input
+12dBu
Line Inputs: Equalization
Bass +/- 10dB at 80Hz, Treble +/- 10dB at 8kHz, 6dB/Octave Shelf
Mic Input: Type
Balanced, 5.08 mm, Euroblock connector
Mic Input: Impedance
2kOhms
Mic Input: Noise
EIN <117 dB, 150 Ohms , DSP band-limited 120Hz-8kHz, BW24
Mic Maximum Input
+20dBu
Mic Input: Equalization
Bass +/-6dB at 250Hz, Treble +/-6dB at 2kHz, 6dB/Octave Shelf
Mic Input: CMRR
>40dB, typically >55dB at 1kHz
Mic Input: Pre-Amp Gain
+30dB to +60dB adjustable
Mic Input: Phantom Power
+48VDC, 10mA
Zone Output: Type
1 stereo (Left, Right, Sub), balanced 3.5mm, Euroblock connector
Zone Output: Output Impedance
120 Ohms balanced
Zone Output: Max. Output Level
+20dBu
Zone Output: XOVR
"Out"
Left, Right 20Hz-20kHz
Sub 20Hz-20kHz (mono summed)

"In"
Left, Right 125Hz High-Pass (BW24)
Sub 125Hz Low-Pass (BW24)
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)
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 10kOhms
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 (W x H x D)
19 x 1.8 x 7" / 482.6 x 45.72 x 177.8mm (including knobs and connectors)
Weight
5.3lbs / 2.40kg
Mfr #
CSM-21
SKU
JBLCSM21
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