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Kenwood KAC-7251/7201 - User Manual

Kenwood KAC-7251/7201
40 pages
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KAC-7251
KAC-7201
© PRINTED IN CHINA B64-2569-00/00 (KV/EV)
POWER AMPLIFIER 7 page 2-13
INSTRUCTION MANUAL
AMPLIFICATEUR DE PUISSANCE 7 page 14-25
MODE D’EMPLOI
AMPLIFICADOR DE POTENCIA 7 página 26-37
MANUAL DE INSTRUCCIONES
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-7251/7201 Serial number
KAC-7251/7201(KE) 1English 02.11.14 10:30 AM Page 1
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Summary

Safety Precautions

General Warnings

Crucial warnings to prevent injury, fire, and unit damage from electrical hazards and heat.

General Cautions

Cautions to prevent machine damage from improper connection, environment, and fuse replacement.

Unit Cleaning and Maintenance

Safe methods for cleaning the unit's front panel and precautions against volatile solvents.

Battery Rise Prevention

Advises operating the unit after the engine starts to prevent battery depletion.

Protection Function Overview

Explains the unit's protection function and how the indicator signals activation.

Included Accessories

Lists parts included with the amplifier, such as screws, cables, and remote controller.

Installation Guide

Remote Controller Installation (KAC-7251)

Instructions and notes for installing the remote controller, including knob adjustment.

Installation Location Precautions

Details prohibited locations and critical considerations for heat dissipation and safety.

Controls and Indicators

LPF Frequency Control

Sets the cutoff frequency for low-pass filtering when the FILTER switch is set to LPF.

Filter Switch Function

Applies high-pass or low-pass filtering to speaker outputs, or no filtering.

Bass Boost Switch

Adjusts bass boost level, with options for 12dB, OFF, or remote control.

Operation Switch

Selects amplifier operation mode: STEREO or MONO (bridged).

Input Sensitivity Control

Sets sensitivity based on center unit's pre-output level or maximum power output.

Remote Controller Bass Boost (KAC-7251)

Allows bass boost adjustment via remote when switch is set to OFF (REMOTE).

Power Indicator

Indicates when the unit is powered on; lights up when power is applied.

Protection Function Details

Details situations triggering the protection function, causing power indicator to go off.

Connection Procedures

Terminal Identification

Identifies all input, output, power, and control terminals on the amplifier.

Speaker Output Terminals

Details stereo and bridged connection methods for speakers, including impedance requirements.

Speaker Level Input Terminals

Explains how to connect speaker-level signals from a genuine-accessory car stereo.

RCA Cable Connections

Illustrates connecting the amplifier using RCA cables from a center unit.

Speaker Level Input Connections

Shows how to connect speaker-level outputs from a car stereo without line outputs.

Remote Cable Connection (KAC-7251)

Details the connection of the remote cable for controlling bass boost.

Speaker Wire Connections

Illustrates stereo and bridged speaker wire connections to the amplifier terminals.

Power Wire Connection

Shows the correct procedure for connecting the main power and ground wires.

System Examples and Tri-mode

System Configuration Examples

Illustrates common system setups: 2-channel, high-power 2-channel, and 2-channel + subwoofer.

Tri-mode Operation

Explains the tri-mode setup for frequency band division using coils and capacitors.

Tri-mode Crossover Calculation

Provides formulas and an example for calculating crossover frequencies for tri-mode systems.

Troubleshooting and Specifications

Troubleshooting Guide

Addresses common problems like no sound, blown fuses, poor sound quality, and remote controller issues.

Product Specifications

Lists detailed technical specifications for the audio section and general unit characteristics.

Kenwood KAC-7251/7201 Specifications

General IconGeneral
BrandKenwood
ModelKAC-7251/7201
CategoryCar Amplifier
LanguageEnglish

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