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KEF 30B User Manual

KEF 30B
11 pages
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KEF 30B Specifications

General IconGeneral
Maximum output110dB
Driver Size300mm (12in.)
Frequency range140Hz
Crossover Frequency40Hz - 140Hz
InputsLine level
Phase Control0° or 180° switch

Summary

SAFETY INFORMATION

General Safety Warnings

Key warnings regarding fire, shock, and moisture exposure.

Graphical Symbols Explanation

Explains the meaning of symbols used in the manual for user safety and information.

Country-Specific Safety Notes

Highlights safety requirements specific to UK, USA, and European power connections.

OPERATING SAFETY INSTRUCTIONS

Essential Safety Precautions

Covers critical operational safety guidelines like ventilation, heat, power, grounding, cleaning, and servicing.

INTRODUCTION

Welcome Message

A brief introduction and thank you note to the customer for purchasing the product.

USING THE MANUAL

Manual Icons Explained

Describes the meaning of various icons used throughout the manual for clarity.

SUBWOOFER CONTROLS AND SOCKETS

Front Panel Controls

Identifies and describes the controls located on the front panel of the subwoofer.

Rear Panel Sockets

Identifies and describes the various input and output sockets on the rear panel.

UNPACKING

Unpacking Instructions

Step-by-step visual guide on how to safely remove the subwoofer from its packaging.

Important Points

Highlights key initial considerations and points of attention during the unpacking process.

IMPORTANT POINTS

Handling and Care Guidelines

Provides advice on environmental conditions, cleaning, and proper product care.

Cable Safety

Emphasizes the importance of securing cables to prevent hazards and damage.

ENGLISH INSTRUCTIONS

Controls and Sockets Overview

A general description of the subwoofer's controls and connection ports.

Adjusting the Controls

Detailed explanation on how to set the frequency, phase, and level controls for optimal performance.

FAULT FINDING

Troubleshooting Common Issues

Lists common problems, their symptoms, and recommended solutions for diagnosing and fixing faults.

POSITIONING

Speaker Placement Guidelines

Offers guidance on optimal placement of the subwoofer within a room for best sound quality.

Phase Switch Adjustment

Explains the function and adjustment of the phase switch for sound integration.

Level Control Adjustment

Details how to adjust the subwoofer's output level in relation to other speakers.

CONNECTIONS

Line Level Connections

Illustrates methods for connecting the subwoofer using line-level inputs/outputs.

High Level Connections

Illustrates methods for connecting the subwoofer using high-level (speaker) inputs/outputs.

ADJUSTING THE CONTROLS

Control Panel Diagrams

Visual diagrams showing the location and function of various controls on the subwoofer.

SPECIFICATIONS

Model and Type Details

Provides basic information such as model number, type, and drive unit specifications.

Performance Specifications

Details key performance metrics including maximum output, enclosure type, and amplifier power.

Input/Output and Physical Specs

Lists connection types, net weight, and physical dimensions of the subwoofer.

Power and Consumption

Specifies the power requirements for different regions and the device's power consumption.

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