Sound Choice Pro Audio 4120A User Manual

OPERATION MANUAL
PUBLIC ADDRESS SYSTEM
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
4-CHANNEL AMPLIFIER
4120A
POWER
TEMP
ON
OFF
5
0
1
2
3
4 6
7
8
9
10
CH 1
5
0
1
2
3
4 6
7
8
9
10
CH 2
5
0
1
2
3
4 6
7
8
9
10
CH 3
5
0
1
2
3
4 6
7
8
9
10
CH 4
PROTECT
SIGNAL
CLIP
4120A
4-CHANNEL AMPLIFIER

Sound Choice Pro Audio 4120A Specifications

General

Type	Power Amplifier
Channels	2
Signal to Noise Ratio	>100dB
Frequency Response	20Hz - 20kHz (±0.5dB)
Input Impedance	20kΩ balanced, 10kΩ unbalanced
Dimensions	483mm x 89mm x 305mm

Summary

Safety Precautions

Installation Safety

Guidelines and warnings for safely installing the amplifier unit.

Usage Safety

Precautions and warnings for safe operation and use of the amplifier.

General Description

Features

Nomenclature and Functions

Front Panel Controls

Identification and explanation of controls and indicators on the amplifier's front panel.

Rear Panel Connections

Details and layout of input/output connectors and power on the amplifier's rear panel.

Connections

Speaker Connections

Instructions and diagrams for connecting speakers to the amplifier outputs.

Audio Input Connections

Guidance on connecting audio sources using XLR and phone jack inputs.

Applications

Block Diagram

Specifications

Dimensional Diagram