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Kenwood KAC-X810D User Manual

Kenwood KAC-X810D
15 pages
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KENWOOD
KAGX81 OD
KAGPS81 OD
MONO POWER AMPLIFIER b page 2-l 1
INSTRUCTION MANUAL
AMPLIFICATEUR DE PUISSANCE MONAURAL b page 12-21
MODE D’EMPLOI
AMPLIFICADOR DE POTENCIA MONOFONICO b phgina 22-31
MANUAL DE INSTRUCCIONES
KENWOOD CORPORATION
CHOl
Take the time to read through this instruction manual.
Familiarity with installation and operation procedures will help
you obtain the best performance from your new power amplifier.
For your records
Record the serial number, found on the back of the unit, in the spaces
designated on the warranty card, and in the space provided below.
Refer to the model and serial numbers whenever you call upon your
KENWOOD dealer for information or service on the product.
Model KAC-X81 OD/PS81 OD Serial number
0 PRINTED IN JAPAN 664-2274-00 (KM/EM)

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Kenwood KAC-X810D Specifications

Audio Specifications IconAudio Specifications
rated power output at 12V (4Ω, 20Hz-200Hz)300W (0.5% THD)
rated power output at 12V (2Ω, 100Hz)600W (0.5% THD)
rated power at 14.4V (4Ω, 20Hz-200Hz)400W (0.5% THD)
rated power at 14.4V (4Ω, DIN45324)400W (0.5% THD)
rated power at 14.4V (2Ω, 100Hz)800W (0.5% THD)
rated power at 14.4V (1Ω, 100Hz)over 1000W (1.0% THD)
max power output at 14.4V (4Ω)1600W
total harmonic distortion at 14.4V (Rated Power)0.20%
low-pass filter (24dB/oct)50Hz-200Hz
infrasonic filter (24dB/oct)OFF/15/25Hz
new BMS (Bass Boost Circuit)40Hz-100Hz . OFF/+6/+12/+18dB
phase inverter0/180 degree
frequency response (+0, –3dB)5Hz-200Hz
S/N ratio100dB
sensitivity (Rated Output)(Max.)0.2V
sensitivity (Rated Output)(Min.)5V
input impedance10kΩ
damping factormore than 40
General Specifications IconGeneral Specifications
operating voltage11V-16V allowable
operating voltage (nominal)14.4V
current consumption at 12V51A
installation size (W)283mm (11-1/3inch)
installation size (H)58mm (2-5/16inch)
installation size (D)350mm (13-3/4inch)
weight5.7kg (12.5lbs)

Summary

Safety Precautions

General Safety Warnings

Key warnings to prevent injury, fire, and unit damage during installation and use.

Unit Care and Protection

Instructions for cleaning the unit and understanding the protection function.

Accessories List

Details the included accessories with their external views and item counts.

Installation Guidelines

Installation Location Precautions

Guidelines on where NOT to install the amplifier to ensure safety and prevent damage.

Mounting and Installation Steps

Step-by-step instructions for physically mounting the amplifier unit.

Controls and Indicators

Input Sensitivity and Filtering

Adjust input sensitivity, LPF, infrasonic filter, and phase for optimal audio.

Bass Management and Band Reject

Configure BMS settings, frequency offset, and band reject filter.

Indicator Color Selection

How to select the indicator light color using the V-COLOR button.

Indicator Status and Remote Control

Indicator Status Interpretation

Understand the unit's condition and malfunctions via the indicator light patterns.

Remote BMS Operation

How to control the Bass Management System (BMS) from the Kenwood center unit.

Band Reject Filter Adjustment

Band Reject Filter Operation

Explains how the band reject filter reduces resonance and standing waves in vehicles.

Adjustment Methods

Guides for adjusting the filter using a signal generator or spectrum analyzer.

Terminal Layout

Amplifier Connection Terminals

Identification and purpose of all input/output and power terminals on the amplifier.

Power Wiring

Power Wire Connection Procedure

Step-by-step guide and safety precautions for connecting the main power wires.

External Control Wire Connection

How to connect the external amplifier control wire (EXT.AMP.CONT.).

Audio Signal Connections

RCA and Speaker Wire Hookup

Connecting RCA audio cables and speaker wires to the unit.

Speaker Compatibility and Impedance

Selecting appropriate speakers and understanding impedance matching for the amplifier.

Troubleshooting Guide

No Sound or Blown Fuse Issues

Diagnosing and resolving problems related to no sound output or blown fuses.

Sound Quality and Control Issues

Troubleshooting distorted sound, incorrect output levels, and BMS control problems.

Specifications

Audio Specifications

Detailed technical specifications for the amplifier's audio performance.

General Specifications

General technical details including operating voltage, dimensions, and weight.

Kenwood Limited Warranty (U.S.A.)

Warranty Coverage and Limitations

Details what the warranty covers, what is excluded, and implied warranty limitations.

Obtaining Warranty Service

Instructions on how to get service for the product under warranty.

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