Bosch LC20-PC60G6-6 Manuel d'installation et d'exploitation

Premium Ceiling Speakers

LC20-PC60G6-6 and LC20-PC60G6-8

en Installation Note

Table of contents

1Safety 4

2Welcome 5

2.1 Important features 5

3System overview 6

3.1 Packing list 6

3.2 Product feature identification 7

3.3 Dimensions 7

3.4 Frequency response and impedance 8

3.5 Beamwidth 8

3.6 Directivity 8

3.7 Horizontal and vertical polar response 9

4Installation 11

5Technical data 15

Premium Ceiling Speakers Table of Contents | en 3

Bosch Security Systems B.V. Installation Note 2015.06 | 03 |

Safety

Warning!

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

who have a 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.

Caution!

The seismic tab (auxiliary support ring) is not intended for primary suspension of the

loudspeaker. The seismic tab should only be used as a secondary safety point.

4en | Safety Premium Ceiling Speakers

2015.06 | 03 | Installation Note Bosch Security Systems B.V.

Welcome

Thank you for purchasing Premium Ceiling Speakers. Read through this manual to familiarize

yourself with the features, applications, and precautions before you use these products.

Premium Ceiling Speakers use innovative design and materials to provide high performance in

a flush-mount ceiling format. Two (2) models comprise the Premium Ceiling Speaker family:

LC20-PC60G6-6 and LC20-PC60G6-8.

Important features

LC20-PC60G6-6 — 6-inch Premium Ceiling Speaker

– High output true compression driver for wide dispersion and superior coverage control

out to 10 kHz

– Long throw 6.5 inch (165 mm) woofer housed in a large vented steel enclosure for

extended LF performance down to 50 Hz

– 200 watt power handling provides for 113 dB maximum SPL

– Front baffle transformer tap adjustment switch

– Includes tile rails and “C” mounting ring

LC20-PC60G6-8 — 8-inch Premium Ceiling Speaker

– High output true compression driver for wide dispersion and superior coverage control

out to 10 kHz

– Long throw 8-inch (200 mm) woofer housed in a large vented 14 gauge steel enclosure

for extended LF performance down to 40 Hz

– 200 watt power handling provides for 114 dB maximum SPL

– Front baffle transformer tap adjustment switch

– Includes tile rails and “C” mounting ring

2.1

Premium Ceiling Speakers Welcome | en 5

Bosch Security Systems B.V. Installation Note 2015.06 | 03 |

System overview

Packing list

Item Quantity Description

A 2 Speaker system

B 4 Tile rails

C 2 C-ring support

D 2 Grille

E 1 Manual

F 4 Support ring screws

G 2 Terminal connector

H 1 Cutout template

I 2 Paint shield

J 2 Ceramic blocks

Figure 3.1: Components in kit

3.1

6en | System overview Premium Ceiling Speakers

2015.06 | 03 | Installation Note Bosch Security Systems B.V.

Product feature identification

Figure 3.2: Bottom and top of the ceiling speaker

Dimensions

LC20-PC60G6-6 Dimensions LC20-PC60G6-8 Dimensions

3.2

3.3

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Bosch Security Systems B.V. Installation Note 2015.06 | 03 |

Frequency response and impedance

LC20-PC60G6-6 Frequency Response and Impedance LC20-PC60G6-8 Frequency Response and Impedance

Beamwidth

LC20-PC60G6-6 Beamwidth LC20-PC60G6-8 Beamwidth

Directivity

LC20-PC60G6-6 Directivity LC20-PC60G6-8 Directivity

3.4

3.5

3.6

8en | System overview Premium Ceiling Speakers

2015.06 | 03 | Installation Note Bosch Security Systems B.V.

Horizontal and vertical polar response

LC20-PC60G6-6 Polar Plots (1/3 Octave):

500 Hz

630 Hz

800 Hz

1 KHz

1.25 KHz

1.6 KHz

2 KHz

2.5 KHz

3.15 KHz

4 KHz

5 KHz

6.3 KHz

8 KHz

10 KHz

12.5 KHz

16 KHz

20 KHz

Horizontal = Black

Vertical = Gray

400 Hz

3.7

Premium Ceiling Speakers System overview | en 9

Bosch Security Systems B.V. Installation Note 2015.06 | 03 |

LC20-PC60G6-8 Polar Plots (1/3 Octave):

500 Hz

630 Hz

800 Hz

1 KHz

1.25 KHz

1.6 KHz

2 KHz

2.5 KHz

3.15 KHz

4 KHz

5 KHz

6.3 KHz

8 KHz

10 KHz

12.5 KHz

16 KHz

20 KHz

Horizontal = Black

Vertical = Gray

400 Hz

10 en | System overview Premium Ceiling Speakers

2015.06 | 03 | Installation Note Bosch Security Systems B.V.

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