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en | Technical data

PLENA power amplifiers

2018.11 | V1.2 | LBB193x/x0

Installation and operation manual

Bosch Security Systems B.V.

Technical data

10.1

Electrical

10.1.1

Mains voltage

LBB1930/20, LBB1935/20

230/115

VAC , ± 10%, 50/60

LBB1938/30

220/230

VAC, ± 10%, 50/60

LBB1938/70

110

VAC, 50/60

10.1.2

Battery voltage

Battery voltage

24V

DC, 20 - 26.5

10.1.3

Rated power

LBB1930/20

400 VA

LBB1935/20

960 VA

LBB1938/x0

1600 VA

10.2

Performance

10.2.1

Signal performance

Frequency response

50 Hz - 20 kHz (+1/-3 dB @ -10 dB ref. rated
output)

Distortion

<1% @ rated output, 1 kHz

10.2.2

Signal-to-Noise Ratios

LBB1930/20

> 80 dB

LBB1935/20

> 85 dB

LBB1938/x0

> 90 dB

Содержание Plena LBB1930/20

Страница 1: ...PLENA power amplifiers LBB1930 20 LBB1935 20 LBB1938 30 LBB1938 70 en Installation and operation manual ...

Страница 2: ......

Страница 3: ...nections 12 6 1 Connect the backup power supply 12 6 2 Connecting line input and loop through 12 6 3 100V slave input 13 6 4 Constant voltage loudspeakers 13 6 5 Low impedance loudspeakers 14 6 6 Priority controlled loudspeaker 15 6 7 Power 15 7 Supervision 16 7 1 Input pilot tone 16 7 2 Battery supervision 16 7 3 Mains supervision 16 8 Operation 17 8 1 Switch ON 17 8 2 Connecting the priority inp...

Страница 4: ...to be connected to the public distribution network To avoid any risk of electric shock all interventions must be carried out with disconnected mains supply The ventilation should not be impeded by covering the ventilation openings Connection of external wiring to this equipment requires installation by qualified personnel only The operation must only be performed by qualified personnel Use the app...

Страница 5: ... at www boschsecurity com 2 3 Intended audience This manual is intended for installers operators and users of a Plena system 2 4 Alerts and notice signs Four types of signs can be used in this manual The type is closely related to the effect that may be caused if it is not observed These signs from least severe effect to most severe effect are Notice Containing additional information Usually not o...

Страница 6: ...95 hPa 1 hPa 0 0145 psi Tab 2 3 Conversion of units of pressure Notice 1 hPa 1 mbar F _ C 32 9 5 C _ F 32 5 9 2 6 Copyright and disclaimer All rights reserved No part of this document may be reproduced or transmitted in any form by any means electronic mechanical photocopying recording or otherwise without the prior written permission of the publisher For information on getting permission for repr...

Страница 7: ...plifiers in this manual are designed for use in EN54 16 and EN60849 compliant systems 3 2 Power amplifier range The Plena Power Amplifier range consists of the following mono amplifiers 120W LBB1930 20 2 units high 240W LBB1935 20 2 units high 480W LBB1938 x0 3 units high In this manual all illustrations show either the LBB1938 x0 power amplifier that is 3 units high or the LBB1930 20 and LBB1935 ...

Страница 8: ...l length The power amplifier has an internal fan regulated to keep the temperature inside the unit within safe operating conditions 0 dB 6 dB 20 dB Figure 4 1 Brackets for 19 rack mounting Notice If you install the product into a 19 rack Ensure that it does not exceed the overheating temperature 45 C ambient Make sure that warm air that is expelled from the side and rear can flow away Ensure suffi...

Страница 9: ...n top of each other A supply of cool air from the front is necessary 5 2 Rear panel connectors and switches Priority Only No Priority 100V 0 1 00V 0 Priority Controlled Output Off On 24V DCIn Apparatus delivered connectored for 230V Main Power Battery Input Fault Relays Output NO COM NC Off On NO COM NC NO COM NC Input 1 Priority Loopthrough 1 Input 2 Program Loopthrough 2 Input 1 Priority 2 24V I...

Страница 10: ... Priority 100V 100V 0V 0V Priority Controlled Output 100V 70V 0 0 8 Direct Output 100V 0 70V 0 8ohm 100V 70V Selection 12A Priority Only 0 0 No Priority Priority F701 F702 14 15 17 18 19 20 16 1 2 3 5 6 4 7 9 12 11 10 8 Figure 5 4 LBB1938 70 Note that slight deviations from the rear panel layout shown may occur 1 Priority line input 1 XLR balanced 2 Level control input 1 3 Priority loopthrough out...

Страница 11: ...be set to 70V or 100V A high power fuse inside the unit is used as a voltage selector Insert the high power fuse into fuse holder F701 for 100V selection default setting or into fuse holder F702 for 70V selection This selection does not affect the output voltage of the loudspeaker direct outputs F701 100V 70V F702 Figure 5 5 Internal fuse settings LBB1930 20 LBB1935 20 LBB1938 x0 See also Rear pan...

Страница 12: ... deliver ed conne ctored for 230V Main Powe r Battery Input Fault Relays Output NO COM NC Off On NO C OM NC NO COM NC Input 1Priority Loopthro ugh 1 Input 2Program Loopthro ugh 2 Input 1Priority 2 24V Input 1 0V Input 2 Input 2Enable 2 24V Enable 0V Mute 100V 0 Slave Input 100V 100V 0 70V 0 8ohm 100V 70V Selection 12A Priority Only 0 0 NoPriority Priority F701 F702 Battery Powe r Detection Pilot t...

Страница 13: ...2A Priority Only 0 0 No Priority Priority F701 F702 Battery Power Detection Pilot tone Detector 230V 240V Design Quality The Netherlands LBB 1938 10 NL 4827HG 10 Plena 480W P ower Amplifier Max output power 720W Rated output power 180W 230V 50 60Hz S N 8900 193 81001 A035413 Made in China N663 Rated input Power 1600VA Input 1 P riority S lave Input 100V Input 2 E nable 100V 0 100V 70V 0 0 8 Direct...

Страница 14: ...Loopthrou gh 2 Input 1Priority 2 24V Input 1 0V Input 2 Input 2Enable 2 24V Enable 0V Mute 100V 0 Slave Input 100V 100V 0 70V 0 8ohm 100V 70V Selection 12A Priority Only 0 0 NoPriority Priority F701 F702 Battery Powe r Detection Pilot tone Detector 230V 240V Design Quality The Netherlands LBB 1938 10 NL 4827HG 10 Plena 480W Power Amplifier Max output power 720W Rated output power 180W 230V 50 60Hz...

Страница 15: ... V Rated input Pow 1 r e 600VA 100V 70V 0 0 8 Direct O utput 100V 0 1 00V 0 Priority Contro lled Output Off On 24V DC In Apparatus delivered connector ed for 230V Main Power Battery Input Fault Relays Outpu t NO COM NC Off On NO C OM NC NO COM NC Input 1Priority Loopthrough 1 Input 2Program Loopthrough 2 Input 1Priority 2 24V Input 1 0V Input 2 Input 2Enable 2 24V Enable 0V Mute 100V 0 Slave Input...

Страница 16: ...iven on the Input fault relay The pilot tone detection indicator can be set to ON or OFF with the pilot tone detection switch 17 see Rear panel connectors and switches page 9 The pilot tone indicator on the front panel is set to OFF but the fault relay switch still functions 7 2 Battery supervision The power amplifier supervises the availability of the back up power supply If the battery supply fa...

Страница 17: ...y Power Detectio n Pilot ton e Detecto r 230V 240V Design Quality The Netherlands LBB 1 938 10 NL 4827HG 10 Plena 480W P ower Amplifier Max output power 720W Rated output power 180W 230V 50 60Hz S N 8900 193 81001 A035413 Made in C hina N663 Rated input Power 1600VA Input 1 P riority S lave Input 100V Input 2 E nable 100V 0 100V 70V 0 0 8 Direct O utput Input Input Input 2 P rogra m Input 1 P rior...

Страница 18: ...h 2 Input 1 Priority 2 24V Input 1 0V Input 2 Input 2 Enable 2 24V Enable 0V Mute 100V 0 Slave Input 100V 100V 0 70V 0 8ohm 100V 70V Selection 12A Priority Only 0 0 No Priority Priority F701 F702 Battery Power Detection Pilot tone Detector 230V 240V Design Quality The Netherlands LBB 1938 10 NL 4827HG 10 Plena 480W P ower Amplifier Max output power 720W Rated output power 180W 230V 50 60Hz S N 890...

Страница 19: ...e units with a damp lint free cloth Clean the air inlets The units can collect dust from the operation of the internal fans The air inlets of the units should therefore be cleaned on a yearly basis Periodically check unit connections and grounding To ensure that all cable connections to the units are secure The ground Protective Earth connection of the system components Warning Dangerous mains vol...

Страница 20: ...0 50 60 Hz LBB1938 30 220 230 VAC 10 50 60 Hz LBB1938 70 110 VAC 50 60 Hz 10 1 2 Battery voltage Battery voltage 24V DC 20 26 5 V 10 1 3 Rated power LBB1930 20 400 VA LBB1935 20 960 VA LBB1938 x0 1600 VA 10 2 Performance 10 2 1 Signal performance Frequency response 50 Hz 20 kHz 1 3 dB 10 dB ref rated output Distortion 1 rated output 1 kHz 10 2 2 Signal to Noise Ratios LBB1930 20 80 dB LBB1935 20 8...

Страница 21: ...nced Sensitivity 100 V Impedance 330 kohm 10 2 4 Loudspeaker outputs Line loopthrough output 3 pin XLR balanced Nominal level 1 V Impedance Direct connection to line input Maximum rated output power 70 100V output LBB1930 20 120 W LBB1935 20 240 W LBB1938 x0 480 W 8 Ohm outputs LBB1930 20 31 V 120 W LBB1935 20 44 V 240 W LBB1938 x0 62 V 480 W Power reduction 24 V battery operations Reference rated...

Страница 22: ...att Idle 18 Watt Backup power 24VDC Full power 7 Amp 3 dB 6 Amp 6 dB 4 Amp 10V 1 Amp Idle 0 1 Amp Full power 168 Watt 3 dB 144 Watt 6 dB 96 Watt 10V 24 Watt Idle 2 4 Watt Power mains LBB1935 20 LBB1938 x0 Unit Full power 451 987 Watt 3 dB 340 715 Watt 6 dB 244 508 Watt 10V 55 113 Watt Idle 16 25 Watt Backup power 24VDC Full power 12 32 Amp 3 dB 11 26 Amp 6 dB 8 18 Amp 10V 2 4 Amp Idle 0 3 1 Amp Fu...

Страница 23: ...s B V Installation and operation manual 2018 11 V1 2 LBB193x x0 Power mains LBB1935 20 LBB1938 x0 Unit 6 dB 192 432 Watt 10V 48 96 Watt Idle 7 2 24 Watt Output limited to 3dB Corresponds to pink noise and voice on full power Output limited for sine wave signal to 3dB ...

Страница 24: ...mm 3 Unit models 145 mm Depth 2 Unit models 250 mm 3 Unit models 370 mm 19 Mounting brackets Included Weight LBB1930 20 10 5 kg LBB1935 20 12 5 kg LBB1938 x0 25 0 kg 10 4 Environmental conditions Operating temperature range 10 to 55 C Storage temperature range 40 to 70 C Relative humidity 95 EMC emission According to EN55103 1 EMC immunity According to EN55103 2 Acoustic noise level of fan 45 dB S...

Страница 25: ...PLENA power amplifiers Technical data 25 Bosch Security Systems B V Installation and operation manual 2018 11 V1 2 LBB193x x0 ...

Страница 26: ...26 Technical data PLENA power amplifiers 2018 11 V1 2 LBB193x x0 Installation and operation manual Bosch Security Systems B V ...

Страница 27: ......

Страница 28: ...Bosch Security Systems B V Torenallee 49 5617 BA Eindhoven Netherlands www boschsecurity com Bosch Security Systems B V 2019 ...

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