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Kenwood KA-128 User Manual

Kenwood KA-128
20 pages
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STEREO
INTEGRATED
AMPLIFIER
KA-128
INSTRUCTION
MANUAL
KENWOOD
CORPORATION
B50-9429-00GAD
B50-9609-00CSD
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a1
89/12
111098765432
COO/AANAD
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Kenwood KA-128 Specifications

General IconGeneral
Input Sensitivity (Phono)2.5mV (MM)
Input Sensitivity (Line)150mV
Speaker Load Impedance8Ω to 16Ω
Input Sensitivity (DIN)150mV
Signal-to-Noise Ratio (MM)75dB

Summary

Introduction

For Your Records

Record serial number for future reference and service.

Unpacking the Unit

Instructions for carefully unpacking the unit and checking for damage.

Included Accessories

Lists accessories included with the unit.

Before Applying Power

Power Requirements for USA/Canada

Specifies power voltage for USA and Canada units.

Power Requirements for Australia/Europe

Specifies power voltage for Australia and Europe units.

Power Requirements for United Kingdom

Specifies power voltage and plug wiring for UK units.

AC Voltage Selector for Other Countries

Details the AC voltage selector switch for international use.

Important Safeguards

Power Source Connection

Connect to the specified power supply type only.

Power Cord Protection

Route power cords to prevent damage or pinching.

Grounding and Polarization

Ensure grounding or polarization means are not defeated.

Ventilation Guidelines

Ensure adequate airflow to prevent overheating.

Water and Moisture Precautions

Keep the unit away from water and moisture.

Temperature Operating Limits

Operate within specified ambient temperature ranges.

Avoiding Heat Sources

Keep the unit away from radiators and heat-producing equipment.

Electric Shock Prevention

Prevent objects from entering and liquid from spilling into the unit.

Enclosure Removal Warning

Do not remove the enclosure to avoid electric shock.

AC Outlet Usage

Do not connect equipment exceeding the specified AC outlet capacity.

Magnetic Field Avoidance

Keep the unit away from sources of strong magnetic fields.

Cleaning Instructions

Clean the cabinet with a dry cloth, avoiding solvents.

Cart and Stand Handling

Move appliance and cart combinations with care to prevent tipping.

Long Periods of Non-Use

Unplug the unit from the outlet when left unused for an extended period.

Abnormal Smell or Smoke

Turn off power and contact service if abnormal smell or smoke occurs.

Damage Requiring Service

Conditions that necessitate servicing by qualified personnel.

Servicing by Qualified Personnel

Refer all servicing beyond operating instructions to qualified personnel.

Outdoor Antenna Grounding

Instructions for proper grounding of outdoor antennas.

Proximity to Power Lines

Locate outdoor antennas away from power lines.

System Connections

Turntable Connection

Diagram for connecting a turntable.

Tuner Connection

Diagram for connecting a tuner.

CD Player Connection

Diagram for connecting a CD player.

Video Cassette Recorder Connection

Diagram for connecting a VCR.

Tape Deck 1 Connection

Diagram for connecting Tape Deck 1.

Tape Deck 2 / Surround Processor Connection

Diagram for connecting Tape Deck 2 or Surround Processor.

Speaker Systems A Connection

Diagram for connecting main speaker systems A.

Speaker Systems B Connection

Diagram for connecting sub speaker systems B.

Speaker Impedance Selector Settings

Guide to setting the speaker impedance selector.

Connecting Speaker Cords

Step-by-step instructions for connecting speaker cords.

AC Outlet Usage (Except Some Areas)

Information on using switched AC outlets for other components.

Grounding for Safety and Interference

Instructions for proper grounding of the unit.

System Control Operation

System Control Connection

How to connect KENWOOD system components using control cords.

Automatic Play Operation

How components automatically start playing.

Synchro Recording Function

How to record sound synchronized with source playback.

Remote Control System Operation

Controlling connected components via remote control.

Australian Model Connections

Connection details specific to Australian models.

Audio and System Control Cord Connection

Ensuring proper connection of audio and control cords.

Controls and Indicators Overview

Infrared Remote Sensor

Location of the infrared remote control receiver.

CD DIRECT Key

Function and usage of the CD DIRECT key.

Input Selector Keys

Keys used to select the input source.

Balance Control

Adjusts the stereo balance between left and right channels.

Power Key

Turns the unit ON/OFF or to standby mode.

EQ REC Key

Activates recording of equalizer-processed sound.

Volume Control

Main knob for adjusting the overall volume level.

Graphic Equalizer Controls

Level adjustment keys for the graphic equalizer.

Equalizer ON/DEFEAT Key

Switches the graphic equalizer effect ON or OFF.

Memory and Call Keys

Keys for storing and recalling equalizer presets.

Enter Key

Key used to confirm storing an equalizer pattern.

Speaker A/B Switches

Switches to connect speaker systems A or B.

Headphone Jack

Standard jack for connecting stereo headphones.

Display Window Functions

Shows input modes, equalizer status, and power levels.

Indicator Lights

Indicators for EQ, EQ REC, Muting, Tape 2, and Remote status.

Power Meter and EQ Display

Displays power output or graphic equalizer settings.

EQ Memory Indicator

Indicates when an equalizer pattern is stored in memory.

Input Mode Display

Shows the currently selected input source.

Operating Instructions

Power Key Standby Mode

Explanation of the standby mode and power control.

Basic Operation Steps

Step-by-step guide for initial setup and basic playback.

Muting Audio Output Temporarily

How to temporarily mute the sound output.

CD DIRECT Key Operations

Using the CD DIRECT key for enhanced CD audio quality.

Recording Program Sources

Steps for selecting and recording program sources.

Dubbing Between Tape Decks

Procedure for dubbing audio from Tape Deck 2 to Tape Deck 1.

Graphic Equalizer Functions

Applying Equalizer Effects to Sound

Steps for adjusting equalizer level controls to shape sound.

Storing Equalizer Patterns

Procedure for saving up to five equalizer presets.

Displaying Equalizer Information

How to view equalizer settings and power meter levels.

Graphic Equalizer Operation Details

Equalizer for Room Acoustics

Using the equalizer to compensate for room sound characteristics.

Adjusting Sound to Taste

Enhancing or attenuating specific instruments and voices.

Frequency Range Equalization Effects

Explanation of how different frequency bands affect sound.

Remote Control Operation

Remote Control Unit Operation

Basic steps for operating the remote control unit.

Usable Remote Control Range

Approximate operating range and angle for the remote.

Installing Remote Control Batteries

Guide for inserting batteries into the remote control.

RC-80 Remote: Numeric and CD Keys

Functions of numeric and CD player keys on the RC-80 remote.

RC-80X Remote: Turntable and Tape Keys

Control keys for turntable and tape decks on the RC-80X remote.

RC-80E Remote: Video Deck Keys

Control keys for video decks on the RC-80E remote.

Common Remote Control Functions

Input selectors, volume, power, EQ, and TV/Video controls.

Troubleshooting Guide

Amplifier Control Issues

Resolving issues like no sound or speaker problems.

PHONO Playback Issues

Diagnosing hum, buzz, or no sound during PHONO playback.

Remote Control Malfunctions

Troubleshooting steps for a non-functional remote control.

Volume Level Issues

Resolving problems with volume control or muting.

Speaker Protection Circuit

Understanding the 'P-OFF' display and speaker protection.

Product Specifications

Audio Section Specifications

Detailed technical specifications for the audio output section.

General Specifications

Overall specifications including power consumption and dimensions.

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