Bosch LB20-PC60EW-5D Bedienungsanleitung

LB20 EVAC Cabinet Loudspeaker

Models

LB20-PC60EW-5D | LB20-PC60EW-5L

en Installation manual

LB20 EVAC Cabinet Loudspeaker Models Table of contents | en 3

Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361

Table of contents

1Safety 4

1.1 Suspension 4

1.2 Notices 4

2Introduction 5

2.1 System features 5

2.2 Product information 5

2.3 Packing list 6

3Installation and wiring 7

3.1 Installing the speaker 7

3.2 U-Bracket installation options 8

3.3 Wiring 9

3.4 Transformer taps 10

3.5 Replacing the logo 11

4Troubleshooting 12

5Technical data 13

5.1 Dimensions 14

5.2 Frequency response and impedance 14

6U-Bracket dimensions 15

4en | Safety LB20 EVAC Cabinet Loudspeaker Models

2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.

1 Safety

1.1 Suspension

Warning!

Suspending any object is potentially dangerous and should only be attempted by individuals

who have thorough knowledge of the techniques and regulations of suspending objects

overhead. Bosch strongly recommends all loudspeakers be suspended taking into account all

current national, federal, state, and local laws and regulations. It is the responsibility of the

installer to ensure all loudspeakers are safely installed in accordance with all such

requirements. When loudspeakers are suspended, Bosch strongly recommends the system be

inspected at least once per year or as laws and regulations require. If any sign of weakness or

damage is detected, remedial action should be taken immediately. The user is responsible for

making sure the wall, ceiling, or structure is capable of supporting all objects suspended

overhead. Any hardware used to suspend a loudspeaker not associated with Bosch is the

responsibility of others.

Safety point

As an added safety measure, it is suggested the user install an extra suspension point back to

the building structural supports. This safety point should have as little slack as possible (less

than 1-inch is preferable).

Figure1.1: Redundant safety point

1.2 Notices

Old electrical and electronic appliances

Electrical or electronic devices that are no longer serviceable must be collected separately and

sent for environmentally compatible recycling (in accordance with the European Waste

Electrical and Electronic Equipment Directive).

To dispose of old electrical or electronic devices, you should use the return and collection

systems put in place in the country concerned.

any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior

written permission of the publisher. For information on getting permission for reprints and

excerpts, contact Bosch Security Systems, Inc.

The content and illustrations are subject to change without prior notice.

LB20 EVAC Cabinet Loudspeaker Models Introduction | en 5

Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361

2 Introduction

The LB20 premium cabinet loudspeakers from Bosch Security Systems, Inc is a line of

compact, high-performance, two-way, full-range surface mount loudspeakers with excellent

wide and uniform coverage, and outstanding performance. Their design makes these

practically invisible for use in background and foreground music, paging, and sound

reinforcement applications, making them ideal for indoor and outdoor applications, such as

restaurants, bars, patios, retail, fitness clubs, hospitality, theme parks, leisure venues, and

others. With unparalleled ease-of-installation, sturdy weather resistance, modern and delicate

look, and flexible mounting options, the LB20 premium cabinet loudspeakers are the perfect

solution for a wide variety of surface mount applications.

The LB20-PC60EW-5 models are IP65 rated, designed to withstand the toughest weather

conditions.

Read through this manual to familiarize yourself with the safety information, features, and

applications before you use these products.

2.1 System features

– Carefully engineered for the toughest weather conditions (IP65)

– Long throw 5.25" (133 mm) woofer housed in a UL 94-5VB fire rated ABS plastic for

extended LF performance down to 55 Hz

– 90 W power handling provides for 108 dB maximum SPL (114 dB Peak)

– 60 W transformer with 8 Ω pass-through

2.2 Product information

Item Description

A Grille

B Safety cable loop

C Weather input cover

D Gland nut

E U-Bracket

Tab.2.1: Product information

Figure2.1: Product information

6en | Introduction LB20 EVAC Cabinet Loudspeaker Models

2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.

2.3 Packing list

Item Quantity Component

A 2 Speakers

B 1 Allen wrench

C 4 Safety screws for the U-Brackets

D 2 U-bracket

E 2 Weather covers

F 8 Weather cover screws

G 2 Grille logos (spares)

H 1 Installation manual

Tab.2.2: Components list

A (x2) BD (x2)

C (x4)

E (x2) F (x8) G (x2) H

Figure2.2: Components list

LB20 EVAC Cabinet Loudspeaker Models Installation and wiring | en 7

Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361

3 Installation and wiring

3.1 Installing the speaker

For safety, ensure the mounting surface supports more than the weight of the speaker. Use

only industry-accepted fasteners and mounting methods when mounting the U-Bracket.

Consult an expert if you are unsure.

Caution!

It is the installer's responsibility to determine and use the proper mounting hardware for

the wall construction type.

Disregarding this caution could result in damage to the product and personal injuries may

occur.

Installing the U-Bracket

To install the U-bracket, do the following:

1. Draw a level line.

2. Align screw holes on the level line.

3. Install two mounting screws to secure the U-Bracket to the wall.

Installing the speaker

To install the speaker, do the following:

1. Wire the speaker, as shown in the wiring section.

2. Insert the two screws (provided) into the U-Bracket mounting points.

Loosely tighten the two screws using the Allen wrench (provided).

3. Aim the speaker.

4. Tighten the two screws to secure the U-Bracket to the speaker.

Ensure the speaker is secured to the U-Bracket.

8en | Installation and wiring LB20 EVAC Cabinet Loudspeaker Models

2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.

Safety point

As an added safety measure, it is suggested the user install an extra suspension point back to

the building structural supports. This safety point should have as little slack as possible (less

than 1-inch is preferable).

Figure3.1: Redundant safety point

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