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Kenwood KAC-818 User Manual

Kenwood KAC-818
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KAC-818
© B64-1355-00 (EM)
MONO POWER AMPLIFIER
INSTRUCTION MANUAL
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Kenwood KAC-818 Specifications

Audio Output IconAudio Output
max power output (2 Ω)400 W ×1
rated power output (4 Ω)200 W ×1 (DIN45324, +B=14.4V)
rated power output (2 Ω)300 W ×1 (100 Hz, 0.8 % THD)
frequency response (+0, –1 dB)5 Hz ~ 200 Hz
total harmonic distortion (rated power)0.01 % (100 Hz)
sensitivity (rated output) (MAX)0.2 V
sensitivity (rated output) (MIN)5.0 V
signal to noise ratio100 dB
input impedance10 kΩ
damping factorMore than 9900 (at ∑ connect)
low pass filter frequency (24 dB/oct.)50 ~ 200 Hz (variable)
infrasonic filter frequency (24 dB/oct.)15 / 25 Hz
Power IconPower
operating voltage14.4 V (11 ~ 16 V allowable)
current consumption (4 Ω, 14.4 V, 10% THD)28 A
Weight and Dimensions IconWeight and Dimensions
dimensions (W ×H ×D)290 ×56 ×230 mm
weight3.7 kg

Summary

Safety Precautions

AWARNING: Injury and Fire Prevention

Precautions to prevent injury or fire during installation and operation.

ACAUTION: Machine Damage Prevention

Precautions to prevent damage to the machine during installation and use.

NOTE: Installation and Operation Advisories

Notes regarding installation problems and unit operation.

Cleaning the Unit

Accessories

Installation Procedure and Cautions

Installation Procedure Warnings

Critical cautions and advice for performing the installation procedure correctly.

Installation Location Cautions

Cautions regarding safe and effective installation locations for the unit.

Controls and Terminals Overview

Power and Input/Output Terminals

Details on battery, ground, power control, and input/output terminals.

Signal and Filter Controls

Explanation of SIGMA SERVO, Infrasonic, Low Pass Filter, and Input Sensitivity controls.

Power Indicator and Protection Function

Power Indicator Operation

Description of the power indicator light and its status.

Protection Function Activation Causes

Situations that trigger the unit's protection function, causing the power indicator to go off.

Connection Methods

RCA Cable Connection

Instructions and cautions for connecting the unit via RCA cables.

Speaker Level Input Connection

Instructions and cautions for connecting the unit using speaker level inputs.

Power and Speaker Cable Wiring

Wiring Precautions

Important warnings and guidelines for wiring to prevent fire and ensure proper connection.

Power Terminal Connections

Guidance on connecting power control, supply, and ground wires to the terminals.

Sigma Servo Feedback Connection

Sigma Servo Connection Importance

Explanation of the sigma servo connection's role in reducing distortion.

Sigma Servo Wiring Configurations

Diagrams and cautions for basic, series, and parallel sigma servo connections.

Troubleshooting Guide

No Sound Issues

Troubleshooting steps for when there is no sound or sound from only one side.

Output Level Adjustment

Guidance on adjusting input sensitivity for correct output levels.

Sound Quality Problems

Troubleshooting distorted sound, including cable polarity and switch settings.

Specifications

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