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Clarion APA4320 - User Manual

Clarion APA4320
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2004/2
Clarion
Co.,
Ltd.
All
Rights
Reserved.
Copyright©2004:
Clarion
Co.,
Ltd.
Printed
in
Taiwan
/Imprime
a
Taiwan
/
Impreso
en
Taiwan
GA-980
Stampato
a
Taiwan
/
In
Taiwan
gedruckt
80-04320-WW
clarion
OPERATION
AND
INSTALLATION
MANUAL
MANUEL
D'UTILISATION
ET
D'INSTALLATION
MANUAL
DE
OPERACiON
E
INSTALACION
MANUALE
OPERATIVO
E
D'INSTALLAZIONE
ANLEITUNG
ZUR
BEDIENUNG
UND
INSTALLATION
APA4320
160Wx4
CHANNEL
POWER
AMPLIFIER
AMPLIFICATEUR
DE
PUISSANCE
4x160W
AMPLIFICADOR
DE
POTENCIA
DE
160Wx4
CANALES
160W
x4
AMPLIFICATORE
Dl
POTENZA
DEI
CANALI
160W
x4
KANALVERSTARKER
Deutsch
Italiano
Espanol
Frangais
English

Table of Contents

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Questions and Answers

  • M
    Melissa JohnsonAug 5, 2025
    What to do if my Clarion Amplifier has no audio?
    • A
      Andrew NormanAug 5, 2025
      If your Clarion Amplifier has no audio, it could be due to several reasons. First, check the remote connections at both the amplifier and the head unit to ensure they are properly connected, as the cause might be low or no turn-on voltage. Second, inspect the fuse and replace it with a new fast-blown fuse of the same rating if it's blown. Third, verify that the power wires are correctly connected at the amplifier and battery connections. Finally, check the speaker connections at the amplifier and measure the coil impedance to make sure the speakers are properly connected and not blown.
  • T
    Travis DominguezAug 11, 2025
    Why does my Clarion Amplifier sound lack punch?
    • K
      Kelly JacksonAug 11, 2025
      If your Clarion Amplifier's sound lacks punch, the issue might stem from incorrectly wired speakers, leading to bass frequency cancellation. To resolve this, check the polarity of the wires connecting the amplifier to each speaker, referring to the connection examples for correct wiring.
  • J
    James NormanAug 17, 2025
    What to do if my Clarion APA4320 produces disturbed sound?
    • A
      amartinezAug 17, 2025
      If your Clarion Amplifier is producing a disturbed sound, it could be due to an improperly set gain control or damaged speaker cones. Try adjusting the gain control. Also, inspect each speaker cone for signs of damage such as a frozen cone or a burning smell.
  • P
    Penny MooreAug 22, 2025
    Why does my Clarion APA4320 Amplifier audio cycle on and off?
    • A
      Ashley WestAug 23, 2025
      If the audio on your Clarion Amplifier cycles on and off, the thermal protection circuits might be shutting the amplifier off. Ensure the amplifier's location has adequate ventilation. If the problem persists, it's recommended to consult an authorized Clarion dealer.
  • S
    Stacey ReedAug 29, 2025
    How to stop whining noise in Clarion APA4320?
    • C
      Christopher DrakeAug 29, 2025
      If you're experiencing a whining or ticking noise in the sound from your Clarion Amplifier when the engine is on, it could be due to the amplifier picking up alternator noise or radiated noise. Try these steps: check the power and ground connections on the amplifier, inspect or relocate the audio cables, install an in-line noise filter on the main unit's power wire, test for a weak battery or add water to the battery, and check the alternator and voltage regulator.

Summary

Introduction

Strong Power Supply

Describes the amplifier's power supply circuit utilizing MOS-FET and DC-DC converter.

High Sound Quality Design

Highlights low-noise operation amplifier and layered film capacitors for energetic sound.

Low Distortion and Wide Output Range

Ensures stable playback with high output and low distortion across audible frequencies.

Output Mode Selector Functionality

Explains the switch providing different high output configurations.

Variable Electronic Crossovers

Details the selectable High Pass or Low Pass electronic crossovers with adjustable points.

Bass Extender Circuitry

Adds 'boost' to low frequencies for enhanced, well-balanced output.

Protection Circuitry

Protects the amplifier from damage due to loads, shorts, overcurrents, or overheating.

Amplifier Controls and Connections

Front Panel Layout

Details the controls and connections on the front panel, including gain and mode selectors.

Rear Panel Layout

Illustrates the connections for power, speakers, and other terminals on the rear panel.

Notes and Installation Precautions

Important Notes

Covers battery drain warnings and causes for protection circuit activation.

Electrical Connections

Illustrates the wiring diagram for connecting the amplifier's power and speakers.

Mounting Precautions

Provides guidance on selecting a site with adequate ventilation and accessibility.

Wiring Precautions

Details essential steps for secure connections and avoiding noise issues.

Applications and Wiring Configurations

4 Channel Input Configurations

Shows wiring setups for 4-channel input in various modes like 4-channel stereo.

3 Channel Mode Setup

Illustrates how to connect speakers for a 3-channel mode configuration.

2 Channel Mode Setup

Depicts speaker connections for a 2-channel mode setup.

Electronic Crossover Adjustment

HP Filter Setup

Recommends crossover points for mid-range/high frequencies and how to adjust.

LP Filter Setup

Suggests settings for subwoofer frequencies and how to adjust for best performance.

Speaker Level Input

Connecting Speaker Level Input

Explains how to use speaker level input terminals when RCA output is unavailable.

System Checks and Troubleshooting

Final System Checks

Guides on performing final checks after installation, including listening tests.

Troubleshooting Common Issues

Lists problems like 'No audio' or 'Distorted Sound' with possible causes and solutions.

Specifications

Packaging Contents

Clarion APA4320 Specifications

Audio Output IconAudio Output
rated_output_4_channel_mode80 W x 4
rated_output_3_channel_mode80 W x 2 + 230 W x 1
rated_output_2_channel_mode230 W x 2
maximum_power160 W x 4
frequency_response10 Hz ~ 50 kHz (+/- 1.0 dB)
harmonic_distortion0.025% (1 kHz, 10 W, 4Ω)
s_n_rate100 dB
Power Specifications IconPower Specifications
applicable_speaker_impedance4Ω (2Ω-8Ω)
input_sensitivity200 mV ~ 6, 000 mV
power_source_voltage14.4 V
power_consumption37 A (with 80 W x 4 rated output)
power_consumption_no_input1.6 A (amplifier ON, no input)
Weight and Dimensions IconWeight and Dimensions
external_dimensions165(W) x 56(H) x 409(D) mm
weight3.9 kg
View in Manual

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