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Kenwood KC-991 User Manual

Kenwood KC-991
20 pages
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CONTROL
AMPLIFIER
KC-991
INSTRUCTION
MANUAL
KENWOOD
CORPORATION
B60-0335-00
dD
(K,
P,
M,X,Y)|GA|
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Kenwood KC-991 Specifications

Performance IconPerformance
input sensitivity phono2.5 mV/47 kΩ
input sensitivity tuner/tape/cd/video200 mV/47 kΩ
signal-to-noise ratio phono80 dB for 2.5 mV input
signal-to-noise ratio tuner/tape/cd/video101 dB
phono maximum input level100 mV, T.H.D. 0.3% at 1 kHz
Output Voltage and Impedance IconOutput Voltage and Impedance
tape pre out rec2001 V/2.2 mV/220 kΩ
Power IconPower
power consumption15 W
switched AC outlets USA and Canada2; Total 680 W, 5.6 A max.
switched AC outlets other countries2; Total 420 W
Weight and Dimensions IconWeight and Dimensions
width440 mm (17-5/6")
height85 mm (3-3/8")
depth277 mm (10-7/8")
weight3.8 kg (8.4 lb)

Summary

Introduction

For Your Records

Store serial number for warranty and service information.

Unpacking and Inspection

Instructions for unpacking and checking for shipping damage.

Before Applying Power

Regional Power Requirements

Details voltage requirements for different countries and regions.

AC Voltage Selector

Instructions for setting the voltage selector switch on the rear panel.

Safety Precautions

Critical Safety Warnings

Essential warnings about electric shock, fire, and proper usage.

Important Safeguards

Power Cord and Ventilation Safety

Guidelines for safe power cord use, grounding, ventilation, and temperature.

Environmental and Usage Safety

Precautions regarding heat, moisture, enclosure, magnetic fields, and cleaning.

Additional Safety Guidelines

Operational and Equipment Safety

Safety for carts, non-use, damage, servicing, power lines, AC outlets.

Outdoor Antenna Grounding

Grounding requirements for external antennas.

Controls and Indicators

Front Panel Overview

Identifies and explains front panel controls and indicators.

Special Function Indicators

Details on Standby mode and display scroll function.

System Connections

Component Wiring Diagram

Illustrates connections between the control amplifier and other components.

Connection Best Practices

Notes on secure connections and safe power cord handling.

System Control Operation

System Control Wiring

Diagram for connecting system control cords for integrated operation.

AC Outlet Types Explained

Distinction between switched and unswitched AC outlets.

System Operation Modes

Automatic Play & Synchro Recording

Describes automatic playback and synchronized recording.

Remote Control Integration

How system components are controlled remotely.

Operating Instructions

Basic Operation Steps

Powering on, source selection, volume, and balance adjustment.

Sound Enhancement Features

Mute and Loudness functions for sound control.

CD Playback and Recording

CD Direct Playback Explained

Function for optimal CD sound reproduction.

Recording While Listening to CD

Process for recording one source while playing a CD.

Tape Recording Operations

Standard Tape Recording

Steps for recording audio onto cassette tape.

Tape Dubbing (Copying)

Instructions for copying tapes between decks.

Equalized Recording

Recording with applied equalizer effects.

Graphic Equalizer Usage

Creating Custom Equalizer Patterns

Adjusting frequency bands and levels for sound profiles.

Storing User-Created Patterns

Saving equalizer patterns to memory.

Graphic Equalizer Management

Recalling Saved Patterns

Retrieving stored equalizer settings.

Turning Equalizer On/Off

How to enable or disable the equalizer.

Display Modes Explained

Spectrum Analyzer and Graphic Equalizer displays.

Graphic Equalizer Functions

Room Acoustic Compensation

Adjusting sound based on listening room characteristics.

Fine-Tuning Sound Taste

Enhancing or attenuating specific audio frequencies.

Remote Control Operation

Remote Control Modes (AUDIO/AUX)

Explanation of the remote's operational modes.

Overlay Sheet Application

Guidance on using the overlay sheet for programming.

Remote Control Programming

Learning Remote Signals

Step-by-step guide to program the RC-140 with other remote signals.

Remote Control Management

Checking and Changing Programs

Verifying and modifying programmed remote control functions.

Clearing All Programs

Resetting the RC-140 to its initial state.

Normal Remote Control Usage

Standard operation of the remote control.

Troubleshooting

Amplifier and Speaker Issues

Solutions for common sound output and noise problems.

Remote Control Issues

Troubleshooting remote control operation problems.

Technical Specifications

Performance Metrics

Detailed performance characteristics of the unit.

General and Regulatory Information

Power, dimensions, and compliance details.

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