Kenwood KAC-626 User Manual

<ENWOOD
POWER AMPLIFIER
KAC-626
KAG-606
INSTRUCTION MANUAL
KENWOOD CORPORATION
© B64-0775-00 (K) (MC)
Take the time to read through this instruction manual.
-amiliarity with installation and operation procedures will help you obtain the best
derformance from your new power amplifier.
-or your records
2ecord the seria! number, found on the back of the unit, in the spaces designated on the warranty card,
ind in the space provided below. Refer to the model and serial numbers whenever you call upon your
<ENWOOD dealer for information or service on the product.
Viodel KAC-626/606 Serial number
AWARNING
Take the following precautions to prevent
ire and avoid personal injury :
» When extending the battery cable, or ground
cable, use 3mm (AWG12) or larger automotive
grade cable to avoid cable deterioration or
damage to the covering.
» Check that no metal objects (coins, tools, etc.)
are jeft inside the unit to avoid short circuits.
» Jf you smell or see smoke, turn the power off
immediately and consult your Kenwood dealer.
> Do not touch the unit during use because the
surface of the unit becomes hot and may
cause burns if touched.
ACAUTION |
Take the following precautions to keep
‘he unit in proper working order.
» Be sure the unit is connected to a 12V DC
power supply with a negative ground
connection.
Do not open the top or bottom cover.
Do not install the unit in places it is exposed to
direct sunlight, high heat or humidity, water
may splash over it, or dust exists.
—woTE]
If you have difficulty in installing this unit in
your vehicle, contact your Kenwood dealer.
Cleaning the unit
e® lf the surface ts dirty, wipe it clean with a
silicon cloth or soft dry cloth with the power
off,
ACAUTION
Do not use hard cloths or paint thinner, alcohol, or
other volatile solvents. These may damage
external surfaces or remove indicator characters.
FCC WARNING
e This equipment may generate or use radio
frequency energy. Changes or modifications to
this equipment may cause harmful interference
unless the modifications are expressly
approved in the instruction manual. The user
could lose the authority to operate this
equipment if an unauthorized change or
modification is made.
External | Number of
View Items '
Core
|
re
Self-tapping
screws
(94 x 16mm)
Terminal cover
(Power
terminal)

Kenwood KAC-626 Specifications

General

Brand	Kenwood
Model	KAC-626
Category	Amplifier
Language	English

Summary

Safety Precautions

Fire and Personal Injury Warnings

Critical precautions to prevent fire hazards and personal injury during operation and handling.

Operating Cautions for Unit Longevity

Guidelines to maintain the unit's proper working order and prevent damage.

Cleaning and Material Cautions

Instructions for cleaning the unit and warnings against using harsh chemicals.

FCC Compliance Warning

Notice regarding potential radio frequency interference and user modification restrictions.

Accessories List

Controls and Switches

RCA Cable and Ground Lead Terminal

Description of the RCA input and ground lead connection point for audio signals.

Filter Switch Settings

Explanation of High Pass Filter (HPF), Low Pass Filter (LPF), and OFF settings.

Operation Mode Selection

Guide to STEREO, L+R, and MONO modes for different amplification setups.

Input Sensitivity Adjustment

How to set the amplifier's sensitivity based on the source unit's output level.

Audio Input/Output Terminals

Identification of LINE IN and SPEAKER LEVEL INPUT terminals for audio connections.

Control Terminals and Protection

Power and Control Terminals

Details on connecting fuse, battery, ground, and remote power control leads.

Speaker Output Connections

Instructions for connecting speaker cables to the output terminals.

Amplifier Protection Function

Explanation of the unit's protection system and when it activates.

Power Indicator Functionality

Information on the power indicator light and its relation to the protection function.

Installation Procedure Steps

Pre-Installation Safety Measures

Essential steps before and during installation to prevent electrical shorts and damage.

Mounting and Location Advice

Guidance on selecting an appropriate installation location and mounting the unit securely.

Installation Cautions

Tri-mode Operation Guide

Tri-mode Frequency Division Principle

How coils and capacitors divide audio frequencies for subwoofer integration.

Component Selection Formulas

Formulas for calculating required coil (L) and capacitor (C) values for Tri-mode.

Tri-mode System Wiring Example

Diagram illustrating a typical Tri-mode connection with speakers and a subwoofer.

System Connection Diagram

RCA and Ground Lead Wiring

Connecting the audio source unit via RCA cables and the ground lead.

Power and Ground Cable Connections

Proper connection of battery, ground, and power control cables.

Speaker Cable Wiring

Connecting speaker cables to the amplifier's output terminals with correct polarity.

Noise Filtering and Battery Safety

Tips for reducing engine noise and ensuring safe battery connections.