Kenwood KAC-8401 User Manual

KENWOOD
b
KAC-8401
4-CHANNEL POWER AMPLIFIER b page 2-13
INSTRUCTION MANUAL
MODE D’EMPLOI
MANUAL DE INSTRUCCIONES
AMPLIFICATEUR DE PUISSANCE 4 CANAUX b page 14-25
AMPLIFICADOR DE POTENCIA DE 4 CANALES
b pagina 26-36
KENWOOD CORPORATION
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-8401 Serial number
0 PRINTED IN CHINA B64-2573-00/00 (KV/EV)

Kenwood KAC-8401 Specifications

Audio Specifications

max power output	320 W × 2
rated power output (4 Ω)	60 W × 4
rated power output (2 Ω)	90 W × 4
bridged power output (4 Ω)	180 W × 2
frequency response	5 Hz – 50 kHz
sensitivity (max)	0.2 V
sensitivity (min)	5.0 V
signal to noise ratio	100 dB
input impedance	10 kΩ
low pass filter frequency	50 – 200 Hz (variable)
high pass filter frequency	50 – 200 Hz (variable)
bass boost circuit (90 Hz)	OFF / +6 dB

General Specifications

operating voltage	14.4 V (11 – 16 V allowable)
current consumption (4 Ω, 10 % THD)	39 A
dimensions (W × H × D)	285 × 57 × 268 mm
dimensions (W × H × D in inches)	11-1/4 × 2-1/4 × 10-9/16 inch
weight	2.96 kg (6.5 lbs)

Summary

Safety Precautions

Controls and Indicators

Input Sensitivity Control

Adjusts the input level to match the pre-output level of the center unit.

Connection Terminals

Speaker Output Terminals

Details stereo and bridged connection requirements for speaker outputs.

Installation and Wiring Procedures

Wiring Guidelines

Instructions for connecting power, ground, and battery wires to prevent issues.

Speaker Selection Criteria

Guidance on choosing speakers based on impedance and power ratings.

Input Connection Methods

RCA and Speaker Level Inputs

Illustrates RCA and speaker level input connections from the center unit.

Troubleshooting Guide

No Sound Issues

Troubleshooting steps for no sound or sound from only one side.

Output Level Problems

Troubleshooting for incorrect output levels.

Sound Quality Issues

Troubleshooting steps for distorted sound quality.

Product Specifications

Audio Performance Specs

Details on power output, frequency response, and sensitivity.