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JBL CSA-2120 User Manual

JBL CSA-2120
44 pages
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CSA-2120
Public Address System
Amplifier User Guide
公共广播系统
功率放大器
用户手册
CS Commercial Solution Series

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JBL CSA-2120 Specifications

General IconGeneral
Output Power (two channels at 1 kHz power, THD+N<0.5%):4 Ohms 120 W 8 Ohms 120 W
Frequency Response (1 watt into 4 or 8 Ohms):+1/-1 dB
Load Impedance:Rated for 4 or 8 Ohms
Sensitivity (8 Ohms load):1.4 Vrms
Signal to Noise Ratio (below rated 8-Ohm power at 1 kHz, A weighted):>100 dB
Crosstalk (Rated into 8 Ohms):70 dB below rated from 20 Hz to 1 kHz; 50 dB below rated at 20 kHz
Input Impedance (nominal):Balanced: 20 k Ohms Unbalanced: 10 k Ohms
Maximum Input Signal:+20 dBu typical
AC Line Voltage and Frequency Confgi urations Available:100-240 V, 50/60 Hz
Auto-Standby:Go into auto-standby: 1 hour Recovery time: < 1 ms Recovery threshold: -60dBu
Operating Temperature:0° C to 40° C at 95% relative humidity (non-condensing)
Weight and Dimensions IconWeight and Dimensions
Dimensions (W x H x D) :8.2” x 1.7 x 7” (209 mm x 44 mm x 178 mm)
Net Weight:1 kg (2.1 lbs)
Shipping Weight:1.5 kg (3.4 lbs)

Summary

IMPORTANT SAFETY INFORMATION

Safety Instructions

Essential precautions for connecting power cords and proper wiring procedures.

Warnings for Your Protection

General safety advice covering environment, maintenance, and usage conditions.

U.K. Mains Plug Warning

Specific safety warning regarding the use of UK mains plugs and fuse replacement.

2.0 Setup

2.2 Installing Your Amplifier

Guidelines and options for installing the amplifier in cabinets, on walls, or on surfaces.

2.3 Ensuring Proper Cooling

2.4 Choosing Input Wire and Connectors

2.5 Output Wiring

2.6 Wiring Your Audio System

2.7 Connecting to AC Mains

2.8 Protecting Your Speakers

2.9 Startup Procedure

3.0 Operation

3.1 Precautions

Important precautions for safe and optimal operation of the amplifier.

Appendix B: Specifications

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