APP EM-4202 - User Manual

Owner's Manual
Professional Digital Amplifier
This manual does not include relevant equipment design, production and all detail changes,
as well do not cover the installation, operation or all the situations that may arise during the maintenance
The information provided in this manual is accurate when be sent out from the factory,
but now this manual may has been updated because of the product changes.
If you want to get the latest version or the English version of this manual,
please contact 0086-0757-87322796 or visit our website www.appaudio.cn
M-4202
M-4152
M-4122
M-4102
M-4650
M-4150

Summary

Important Safety Instructions

Welcome to the SM Series Amplifier

Basic Functions Overview

Overview of the product's key features and capabilities, including PFC and LED indicators.

How to Use This Manual

Guidance on navigating and understanding the manual's content for safe and proper operation.

Symbol Explanations

Explanation of warning symbols (exclamation mark, lightning) and their meanings for user safety.

Service Information Card Usage

Instructions for filling out and using the service information card for repairs and fault reporting.

Installation Guide for the Amplifier

Unit Structure and Dimensions

Visual representation and physical dimensions of the amplifier unit for installation planning.

Cooling System Description

Explanation of the digital amplifier's cooling method, fan system, and heat dissipation.

Connection Mode Illustrations

Illustrations and explanations for connecting the amplifier in Stereo, Mono, and Bridge modes.

XLR Interface Pin Assignment

Detailed illustration of XLR plug pin assignments for signal input and output connections.

Amplifier Operation and Controls

Speaker Protection and Clipping

Guidance on preventing speaker damage from clipping and infrasound signals using high-pass filters.

Start-up Procedure and Precautions

Steps for safely starting up the unit and essential precautions for optimal performance.

Front Panel Operation Overview

Explanation of front panel controls including Clip LED, Signal LED, Gain Control, and Power Switch.

Rear Panel Interface Functions

Description of rear panel connections: Power interface, Signal input, Gain Switch, Mode Switch, and Speaker Output.

Technical Specifications and Parameters

Core Parameters for SM Series Models

Detailed specifications including output power, voltage swing, slew rate, THD, and IMD for various models.

Maintenance and Warranty Information

Maintenance Service Procedures

Instructions for handling unit faults, contacting support, and sending units for maintenance.

Packaging Guidelines for Repair

Recommendations for packing the unit safely for transport to service centers, using original packaging.

Warranty Terms and Conditions

Details on the three-year warranty, coverage, exclusions, and liability for product defects.

Warranty Exclusions and Limitations

Cases where the warranty is voided, including mishandling, improper environment, or unauthorized modifications.

APP EM-4202 Specifications

General

Brand	APP
Model	EM-4202
Category	Amplifier
Language	English