Bosch LB2?UCxx?x Manuel utilisateur

Communications Systems | LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range

The LB2‑UCxx‑x Premium‑sound cabinet loudspeakers are

intended for clear reproduction of speech, foreground and

background music to be used in general indoor and

outdoor applications. The Premium‑sound cabinet

loudspeaker range consists of a 15 W and 30 W model,

available in a light or dark color. The loudspeakers have

selectable 8 ohm, 70 V and 100 V inputs.

Typical applications are: theme bars, music restaurants,

theme parks, retail outlets, audio visual, boardrooms and

offices, exhibition areas, showrooms, fitness centre’s and

presentation environments.

Certifications and Approvals

All Bosch loudspeakers are designed to withstand

operating at their rated power for 100 hours in

accordance with IEC 268‑5 Power Handling Capacity

(PHC) standards. Bosch has also developed the Simulated

Acoustical Feedback Exposure (SAFE) test to demonstrate

that the speakers can withstand two times their rated

power for short durations. This ensures extra reliability

under extreme conditions, leading to greater customer

satisfaction, longer operating life, and much less chance

of failure or performance deterioration.

Safety acc. to EN 60065

Water protection acc. to EN 60529 IP x4

Self extinguishing acc. to UL94 V 0

Installation/Configuration Notes

The cabinets include a built‑in transformer that offers a

selection of nominal full power, half power, quarter power

or eight power radiation (i.e. in 3 dB steps) for 70 V,

100 V or 8 Ohm bypass.

Selection is done by a convenient switch on the rear

enclosure.

A two meter long twin‑core loudspeaker cable (in

matching color with the cabinet) is connected to the

loudspeaker. The core ends are stripped ready for use.

The cabinets can be mounted horizontally to allow the

loudspeaker to be directed up or down, or vertically to

allow left and right rotation by means of a steel U-shaped

wall bracket (standard supplied).

The rotatable logo can be easily adjusted to match the

mounting orientation.

LB2‑UCxx‑x Premium‑sound Cabinet

Loudspeaker Range

▶High-fidelity music and speech reproduction

▶Selectable 8 ohm, 70 V and 100 V inputs

▶Compact yet robust ABS enclosure

▶Supplied with adjustable mounting bracket

▶Complies with international installation and safety

regulations

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2 | LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range

Rear view LB2-UC15-30-D/L

LB2‑UC15‑D/L

205

(8.1)

136

(5.4)

1 Rotatable logo

Mechanical diagram: front and top view in mm (in.)

117.8

(4.6)

208

(8.2)

165.9

(6.5)

1Power tapping switch

Mechanical diagram: side view in mm (in.)

(3.1)

225.4

(8.9)

(0.4)

12.5

(0.5)

0.4)

(

Mechanical diagram: rear view in mm (in.)

1.9W

2.2uf

3.75W

7.5W

15W

7.5W

3.75W

1.9W

70.7V100V

8 ohms

Circuit diagram

LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range | 3

100

110

10 100 1000 10000 100000

Frequency (Hz)

dB SPL

BOSCH

Frequency response

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

125 250 500 1000

Polar diagram horizontal

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

1000 2000 4000 8000

Polar diagram horizontal

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

125 250 500 1000

Polar diagram vertical

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

1000 2000 4000 8000

Polar diagram vertical

Octave band sensitivity *

Octave SPL

1W/1m

Total octave SPL

1W/1m

Total octave SPL

Pmax/1m

125 Hz 80.6 - -

250 Hz 80.4 - -

500 Hz 82.7 - -

1000 Hz 85.9 - -

2000 Hz 87.8

4000 Hz 88.9 - -

8000 Hz 88.8 - -

A-weighted - 84.7 95.9

Lin-weighted - 85.0 95.6

Octave band opening angles

Horizontal Vertical

125 Hz 360 > 180

250 Hz 360 > 180

500 Hz 360 > 180

1000 Hz 179 168

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4 | LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range

2000 Hz 115 121

4000 Hz 101 35

8000 Hz 76 44

Acoustical performance specified per octave

* (all measurements are done with a pink noise signal; the

values are in dB SPL)

LB2‑UC30‑D/L

245

(9.6)

160

(6.3)

1 Rotatable logo

Mechanical diagram: front and top view in mm (in.)

169.3

(6.7)

247

(9.7)

130.8

(5.1)

1Power tapping switch

Mechanical diagram: side view in mm (in.)

(0.7)

(3.1)

262.4

(10.3)

(0.4)

Mechanical diagram: rear view in mm (in.)

100V 70.7V

2.2uf

F8 ohms

30W

15W

7.5W

3.75W

7.5W

15W

30W

Circuit diagram

100

110

10 100 1000 10000 100000

Frequency (Hz)

dB SPL

BOSCH

Frequency response

LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range | 5

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

125 250 500 1000

Polar diagram horizontal

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

1000 2000 4000 8000

Polar diagram horizontal

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

125 250 500 1000

Polar diagram vertical

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340 350

1000 2000 4000 8000

Polar diagram vertical

Octave band sensitivity *

Octave SPL

1W/1m

Total octave SPL

1W/1m

Total octave SPL

Pmax/1m

125 Hz 83.2 - -

250 Hz 82.6 - -

500 Hz 85.1 - -

1000 Hz 89.5 - -

2000 Hz 89.8

4000 Hz 92.8 - -

8000 Hz 88.6 - -

A-weighted - 87.5 100.9

Lin-weighted - 87.6 100.5

Octave band opening angles

Horizontal Vertical

125 Hz 360 > 180

250 Hz 360 > 180

500 Hz 360 > 180

1000 Hz 160 150

2000 Hz 97 116

4000 Hz 81 90

8000 Hz 93 52

Acoustical performance specified per octave

* (all measurements are done with a pink noise signal; the

values are in dB SPL)

Parts Included

Quantity Components

1 LB2‑UCxx‑x

1 Mounting bracket

1 Installation instruction

www.boschsecurity.com

6 | LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range

Technical Specifications

Electrical*

Product LB2‑UC15‑(D/L) LB2‑UC30‑(D/L)

Description Premium‑sound Cabi-

net Loudspeaker

Premium‑sound Cabi-

net Loudspeaker

Maximum power 22.5 W 45 W

Rated power (PHC) 15 W 30 W

Power tapping 15 / 7.5 / 3.75 / 1.9 W 30 / 15 / 7.5 / 3.75 W

Sound pressure level

at rated power / 1 W

(1 kHz, 1 m)

98/86 dB (SPL) 105/90 dB (SPL)

Effective frequency

range (-10 dB)

95 Hz to 19.5 kHz 100 Hz to 18.5 kHz

Opening angle

at 1 kHz / 4 kHz (-6 dB)

179° / 101° (hor.)

168° / 35° (ver.)

160° / 81° (hor.)

150° / 90° (ver.)

Rated input voltage 11/70/100 V 15.5/70/100 V

Rated impedance 8 / 326 / 667 ohm 8 / 163 / 333 ohm

Transducers 101.6 mm (4”) woof-

er, 13 mm (0.51 “)

dome tweeter

127 mm (5”) woofer,

13 mm (0.51 “) dome

tweeter

Connection 2 m (78.8 in.) two‑wire

cable

2 m (78.8 in.) two‑wire

cable

* Technical performance data acc. to IEC 60268‑5

Mechanical

Dimensions (H x W x D) 205 x 136 x 117 mm

(8.07 x 5.35 x 4.60 in)

250 x 160 x 140 mm

(9.84 x 6.30 x 5.51 in)

Weight Approx. 1.9 kg

(4.18 lb)

Approx. 2.4 kg

(5.29 lb)

Color White (RAL 9010) (L)

Charcoal (RAL 7021)

(D)

White (RAL 9010) (L)

Charcoal (RAL 7021)

(D)

Environmental

Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)

Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)

Relative humidity <95%

Ordering Information

LB2‑UC15‑D Premium‑sound Cabinet

Loudspeaker

15 W, ABS charcoal

LB2-UC15-D

LB2‑UC15‑L Premium‑sound Cabinet

Loudspeaker

15 W, ABS white

LB2-UC15-L

LB2‑UC30‑D Premium‑sound Cabinet

Loudspeaker

30 W, ABS charcoal

LB2-UC30-D

LB2‑UC30‑L Premium‑sound Cabinet

Loudspeaker

30 W, ABS white

LB2-UC30-L

Americas:

Bosch Communications Systems

12000 Portland Avenue South

Burnsville, Minnesota 55337, USA

Phone: +1-800-392-3497

Fax: +1-800-955-6831

[email protected]

www.boschsecurity.com

Europe, Middle East, Africa:

Bosch Security Systems B.V.

P.O. Box 80002

5600 JB Eindhoven, The Netherlands

Phone: + 31 40 2577 284

Fax: +31 40 2577 330

[email protected]

www.boschsecurity.com

Asia-Pacific:

Robert Bosch (SEA) Pte Ltd

11 Bishan Street 21

Singapore 573943

Phone: +65 6571 2600

Fax: +65 6571 2698

[email protected]

www.boschsecurity.com

Represented by

T4994409227 | Cur: en-US, V11, 27 Jan 2011

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