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Focal IMPULSE 4.320 User Manual

Focal IMPULSE 4.320
48 pages
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IMPULSE 4.320
Ultra-compact D-class amplifier
User manual / Manuel d'utilisation
English page 3
Français page 15
Deutch seite 27
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Focal IMPULSE 4.320 Specifications

General IconGeneral
TypeClass D
Total Harmonic Distortion<0.05%
CrossoverYes
HP Crossover Frequency50Hz - 500Hz
LP Crossover Frequency50Hz - 500Hz
Frequency Response10Hz - 20kHz
Signal-to-Noise Ratio>80dB
Input Sensitivity0.2V - 5V
Power Output 4 Ohms4 x 55 Watts RMS

Summary

Amplifier Installation Overview

Wiring Your IMPULSE 4.320 Amplifier

Details connecting amplifier wiring harnesses and cables.

Amplifier Operating Time Advice

Advises on preventing battery drain during extended use without the engine running.

Amplifier Cooling System Requirements

Stresses the importance of not covering the amplifier to prevent overheating.

Installation Positioning and Mounting

Amplifier Installation Location Guide

Recommends a well-ventilated area for correct operation and heat dissipation.

Mounting the IMPULSE 4.320 Amplifier

Provides instructions for positioning and securing the amplifier using its mounting bracket.

Wiring Installation Safety

Highlights safe wiring practices and suggests professional help if uncertain.

Wiring Power and Signal Connections

Selecting Power Cable Wire Gauge

Guides on choosing the correct wire gauge for power cables based on length.

Routing Input and Output Signal Cables

Explains how to route RCA, speaker, and remote cables to avoid interference.

Power Connection and System Start-Up

Fusing the Positive Battery Cable

Details the essential safety step of fusing the positive (+) battery cable.

Initial System Start-up Procedure

Outlines checks for power, connections, and initial low-volume testing.

Control Panel Functions

Input Connectors and Gain Settings

Explains input types (RCA, high-level) and adjusting gain for optimal sound.

Power, Ground, and Remote Terminals

Describes the function of +12V, GND, and REM connectors for amplifier operation.

LED Indicators and Input Level Switch

Details the POWER/PROTECT LEDs and the switch for selecting input signal type.

Troubleshooting and Advanced Controls

Troubleshooting Amplifier Issues

Guides on diagnosing problems using LED indicators and potential causes.

Advanced Control Settings Explained

Covers INPUT SELECT, PHASE, X-OVER, and FRONT CH. filter functions.

Technical Specifications

Amplifier Performance Data

Lists key technical specs like power output, bandwidth, and harmonic distortion.

Product Guarantee Conditions

Outlines the warranty terms and conditions for Focal products.

Y ISO Adaptation Cable Accessory

Y ISO Cable Kit Contents

Lists the components included in the Y ISO Adaptation Cable accessory.

Accessory Installation Safety Warning

Alerts users to disconnect the battery before installing the accessory.

International Guarantee Registration

Personal Information for Guarantee

Requests user's name, address, and contact details for guarantee validation.

Purchase Motivation and Product Details

Asks about reasons for purchase and details of the Focal product acquired.

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