JBL CSA-2120, User Manual

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1.0 Welcome
The JBL® CSA-2120 power amplifier (hereafter called as the amplifier) is a professional
tool designed and built for installed sound applications. The amplifier is two-channel model
providing simple analog amplification, with a switch-mode universal power supply.
The amplifier includes a rack mounting kit. With the rack mounting kit, you can install the
amplifier to a cabinet or wall. A transformer module can be purchased for use in high
impedance distributed sound systems. If your loudspeaker system requires higher imped-
ance, the transformer module can be connected between the amplifier and loudspeaker
systems to obtain the impedance matching.
1.1 Features
• High power output, compact size, light weight
• Accurate, uncoloured sound with very low distortion for the best in music and voice
• Over heat auto protection
• Low voltage auto protection
• The auto-standby mode allows the amplifier to save energy
• Detachable Euroblock input and output
• Switch-mode universal power supply
1.2 How to Use This Manual
This manual provides you with necessary information to safely and correctly setup and
operate your amplifier. It does not cover every aspect of installation, setup or operation that
might occur under every condition.
We strongly recommend you read all instructions, warnings and cautions contained in this
manual.