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Kenwood KA-990 User Manual

Kenwood KA-990
11 pages
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:
NEW
HIGH
SPEED
STEREO
ā€˜
INTEGRATED
AMPLIFIER
INSTRUCTION
MANUAL
KENWOOD
PRINTED
IN
JAPAN
B50-4534-00
(U,M,UE,H,X)
(T)
ON/384
D12345/454
ARMA
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Kenwood KA-990 Specifications

Power Amplifier Section IconPower Amplifier Section
rated power output105 watts per channel
dynamic power output170 W
total harmonic distortion0.005%
Input Sensitivity/Impedance IconInput Sensitivity/Impedance
phono MM2.5 mV/33/47/100 kQ
phono MC0.2 mV/100 Q
tuner, AUX/D.A.D., tape150 mV/47 kQ
General IconGeneral
power consumption700 W
dimensionsW: 440 mm, H: 143 mm, D: 383 mm
weight (net)10.7 kg

Summary

Before Applying Power

AC Voltage Selection

Details on setting the AC voltage selector switch for different regions.

Safety Precautions

Important warnings to prevent electric shock and ensure safe operation.

Before Operation

Safety Precautions

Guidelines to avoid electric shock, damage, and other hazards.

Unpacking and Inspection

Instructions for unpacking the unit and checking for shipping damage.

Cleaning and Maintenance

Guidance on proper cleaning methods and avoiding damage.

Installation Precautions

Recommendations for suitable installation locations and conditions.

System Connections

Connecting One Speaker System

How to connect a single pair of speakers to SPEAKERS A terminals.

Connecting Two Speaker Systems

Instructions for connecting an additional pair of speakers to SPEAKERS B.

Connecting Speaker Cords

Detailed steps for preparing and connecting speaker cords.

Connecting āˆ‘ Cords

Guide for connecting special āˆ‘ cords for enhanced sound quality.

Turntable Connection

How to connect a turntable, including ground wire and cartridge selector.

Tuner Connection

Connecting an FM stereo or AM-FM stereo tuner.

AUX/D.A.D. Connection

Connecting external sources to AUX/D.A.D. jacks on front/rear panels.

Tape Deck Connections

Connecting tape decks via RCA or DIN connectors for playback and recording.

AC Outlets

Information on using the unit's AC outlets to power other components.

Phono Impedance Selector

Setting the switch for moving magnet or moving coil cartridges.

Controls, Indicators, and Connectors

REC OUT Switch

Switch for selecting recording source and controlling output signal.

Speakers Switch

Controls speaker output, allowing private listening via headphones.

Input Selector Switches

Selects the desired audio source for playback or monitoring.

Cartridge Selector Switch

Sets the unit for MM or MC phono cartridges for optimal playback.

Muting Switch

Temporarily silences sound output to prevent clicks or reduce volume.

Volume Control

Adjusts the overall listening level for both left and right channels.

Power Switch

Turns the unit's power on or off.

PHONES Jack

Port for connecting stereo headphones for private listening.

Tone Controls (Bass/Treble)

Adjusts bass and treble frequencies for desired sound profile.

Mode Switch (Stereo/Mono)

Selects between stereophonic and monophonic audio reproduction.

DC Coupled/Subsonic Filter Switch

Manages signal path for flat frequency response or filters low frequencies.

Loudness Switch

Boosts bass at low listening levels for perceived better sound.

Balance Control

Adjusts the balance between left and right audio channels.

Front AUX/D.A.D. Jacks & Switch

Connects and selects external audio sources via front/rear jacks.

Thermal Protector

Protects the unit from overheating by automatically shutting off power.

Operating Instructions

Tuner Operation

Steps for tuning into stations and listening via the tuner.

Turntable Operation

How to play records, including muting and cartridge selection.

AUX/D.A.D. Operation

Instructions for operating connected external audio sources.

Tape Playback

How to play back recorded tapes from connected tape decks.

Recording (One Tape Deck)

Guide for recording audio onto a tape deck from various sources.

Recording (Two Tape Decks)

Instructions for dubbing tapes using two connected tape decks.

Monitoring Tape Recordings

Comparing recording quality with the original source sound.

Tape-to-Tape Dubbing

Detailed steps for copying tapes between two connected tape decks.

REC OUT Switch Operation

How the REC OUT switch affects tape deck recording connections.

Recording Broadcasts While Listening

Methods for recording radio broadcasts while listening to other sources.

Using as a Power Amplifier

Steps to utilize the unit as a power amplifier with a one-volt input.

In Case of Difficulty

No Sound Troubleshooting

Diagnosing and resolving issues related to no sound or sound from one channel.

PHONO Playback Issues

Troubleshooting problems specific to the PHONO input, like hum or no sound.

Noise Troubleshooting

Resolving issues like hum, buzz, or howling noise during operation.

Specifications

Power Amplifier Section (IHF)

Technical specifications for the power amplifier section using IHF standards.

Power Amplifier Section (IEC)

Technical specifications for the power amplifier section using IEC standards.

General Specifications

Includes power consumption, dimensions, and net weight of the unit.

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