Bosch LB1-UM20E-x Manuale utente

Metal Cabinet Loudspeakers

Instructions for Use

LB1-UM20E-x

LB1-UM50E-x

Bosch Security Systems | 2009-06 | F.01U.134.473en

Technical performance acc. to IEC 60268-5 - LB1-UM20E-x

Electrical

Maximum power 30 W

Rated power 20 W (20 - 10 - 5 - 2.5 W)

Sound pressure level

at rated power / 1W (1 kHz, 1 m) 101 dB / 88 dB

Opening angle at 1 kHz/4 kHz (-6 dB)

horizontal 174 / 136 degrees

vertical 127 / 141 degrees

Effective freq. range (-10 dB) 90 Hz to 20 kHz

Rated voltage 12.65 / 70 / 100 V

Rated impedance 8 / 250 / 500 Ohm

Connection 3-pole screw terminal block

Mechanical

Dimensions (H x W x D) 274x160x180 mm (10.78x6.29x7.08 in)

Speaker diameters 134.5 mm (5”) woofer

25.4 mm (1”) dome tweeter

Color Charcoal (RAL 7021) (D)

White (RAL 9010) (L)

Material Aluminium (cabinet and front grille)

ABS (top, and bottom coverplate)

Weight 3.88 kg (8.55 lb)

Environmental

Operation temperature -25 °C to +55 °C (-13 °F to + 131 °F)

Storage temperature -40 °C to +70 °C (-40 °F to + 158 °F

Relative humidity < 95%

Certification and Approvals

Safety acc. to EN 60065

Water protection acc. to EN 60529, IP65

Self-extinguishing ABS acc. to UL 94 V 0

-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

BOSCH

Polar diagram horizontal

(measured with pink noise)

-30

-25

-20

-15

-10

-5

010 20

100

110

120

130

140

150

160

170

180

190

200

210

220

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240

250

260

270

280

290

300

310

320

330

340 350

125 250 500 1000

BOSCH

Polar diagram vertical

(measured with pink noise)

-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

BOSCH

Polar diagram horizontal

(measured with pink noise)

-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

BOSCH

Polar diagram vertical

(measured with pink noise)

100

110

10 100 1000 10000 100000

(Hz)

dB SPL

BOSCH

Frequency response

Circuit diagram

2.5W

( )

10W

20W

10W

2.5W

70.7V100 V

8 ohms

Technical performance acc. to IEC 60268-5 - LB1-UM50E-x

Electrical

Maximum power 75 W

Rated power 50 W (50 - 25 - 12.5 - 6.25 W)

Sound pressure level

at rated power / 1W (1 kHz, 1 m) 108 dB / 91 dB

Opening angle at 1 kHz/4 kHz (- 6dB)

horizontal 186 / 126 degrees

vertical 84 / 62 degrees

Effective freq. range (-10 dB) 90 Hz to 20 kHz

Rated voltage 20 / 70 / 100 V

Rated impedance 8 / 100 / 200 Ohm

Connection 3-pole screw terminal block

Mechanical

Dimensions (H x W x D) 405x160x180 mm (15.94x6.29x7.08 in)

Speaker diameters 134.5 mm (5”) woofer

25.4 mm (1”) dome tweeter

Color Charcoal (RAL 7021) (D)

White (RAL 9010) (L)

Material Aluminium (cabinet and front grille)

ABS (top, and bottom coverplate)

Weight 5.58 kg (12.30 lb)

Environmental

Operation temperature -25 °C to +55 °C (-13 °F to +131 °F)

Storage temperature -40 °C to +70 °C (-40 °F to +158 °F

Relative humidity < 95%

Certification and Approvals

Safety acc. to EN 60065

Water protection acc. to EN 60529, IP65

Self-extinguishing ABS acc. to UL 94 V 0

-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

BOSCH

Polar diagram horizontal

(measured with pink noise)

-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

BOSCH

Polar diagram vertical

(measured with pink noise)

-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

BOSCH

Polar diagram vertical

(measured with pink noise)

-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

BOSCH

Polar diagram horizontal

(measured with pink noise)

Circuit diagram

6.25W

( )

12.5W

25W

50W

25W

12.5W

6.25W

70.7V10 0V

8 ohms

100

110

10 100 1000 10000 100000

(Hz)

dB SPL

BOSCH

Frequency response

Bosch Security Systems | 2009-06 | F.01U.134.473en

LBC 1259/00

55 mm (2.17")

7 mm

(0.82")

100 mm (3.94")

1/8

1/4

1/2

100 V

70V

Option

Line/loudspeaker

Supervision Boards:

LBB 4441

LBB 4442

LBB 4443

W D

1x 1x 1x

2x 2x 2x

Bosch Security Systems | 2009-06 | F.01U.134.473en

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