JBL CSA 2120Z User Manual

CSA 140Z
CSA 180Z
CSA 1120Z
CSA 240Z
CSA 280Z
CSA 2120Z
Commercial Series Amplifier
Operation Manual
JBL Commercial Series

JBL CSA 2120Z Specifications

General

Channels	2
Frequency Response	20Hz - 20kHz
Input Sensitivity	1.4V
Signal-to-Noise Ratio	> 100dB
Rack Spaces	1U
Damping Factor	> 200
Power Output	120W per channel
Total Harmonic Distortion	< 0.1%
Inputs	2 x XLR
Outputs	2 x Binding Post
Operating Voltage	100V - 240V, 50/60Hz
Input Impedance	20kΩ (balanced), 10kΩ (unbalanced)

Summary

Important Safety Information

General Safety Guidelines

Covers essential safety warnings, handling precautions, and installation rules.

Electrical Safety and Wiring

Details on connecting power cords, grounding, and wire color codes for safe operation.

Electromagnetic Compatibility and Magnetic Fields

Information on FCC compliance, electromagnetic interference, and magnetic field effects on nearby equipment.

CE Declaration of Conformity

Compliance Standards

Details the product's adherence to EMC and safety standards like EN and IEC.

Regulatory Information

Information on relevant EU directives and contact details for technical documentation.

Product Overview and Features

Welcome and Product Description

Introduction to the JBL Commercial Series Amplifiers and their purpose.

Key Features

Lists the main features and capabilities of the amplifiers.

Front Panel Controls and Indicators

Rear Panel Controls and Connectors

Amplifier Setup: Unpacking and Installation

Unpacking and Inspection

Guidance on unpacking the amplifier and checking for transit damage.

Installation Approaches and Dimensions

Describes rack mounting, stacking, and spacing recommendations for installation.

Amplifier Setup: Cooling and Wiring

Ensuring Proper Cooling

Recommendations for maintaining adequate airflow and spacing for cooling.

Choosing Input Wire and Connectors

Guidance on selecting appropriate input wiring and connectors.

Output Wiring and System Connection

Instructions for connecting speakers and wiring the audio system.

Amplifier Setup: Power and Startup

Connecting to AC Mains

Details on connecting the amplifier to the AC mains power source.

Protecting Your Speakers

Advice on preventing speaker damage from clipping and subsonic signals.

Startup Procedure

Step-by-step guide for turning on the amplifier for the first time.

Amplifier Operation

Operational Precautions

Essential precautions for safe and optimal amplifier operation.

Key Operational Features

Explains Hi-Z switch, remote volume control, and sleep mode functionality.

Troubleshooting

Appendices

Performance Specifications

Detailed technical specifications for the commercial series amplifiers.

Contact Information

Provides contact details for customer service and distributors.