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PLENA Mixer amplifier, 4‑zone, 240W

PLE‑4MA240‑CN

en

Operation manual

Summary of Contents for PLE-4MA240-CN

Page 1: ...PLENA Mixer amplifier 4 zone 240W PLE 4MA240 CN en Operation manual ...

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Page 3: ...Install unit in 19 rack optional 11 4 3 Check settings configurations 11 4 4 Connect unit to mains 11 5 Connections 12 5 1 Connecting inputs 12 5 1 1 Priority microphone input 1 12 5 1 2 Additional microphones inputs 2 and 3 12 5 1 3 Emergency inputs 12 5 1 4 Music source inputs 13 5 2 Connecting outputs 13 5 2 1 Connecting loudspeakers 13 6 Configuration 14 6 1 Unit settings 14 6 1 1 Rear panel s...

Page 4: ...stribution 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 with items such as newspapers table cloths or curtains Connection of external wiring to this equipment requires installation by qualified personnel only The operation must only be performed by qualifie...

Page 5: ...n 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 observing a notice does not result in damage to the equipment or personal injuries Caution The equipment or the property can be damaged or persons can be lightly injured if the alert is n...

Page 6: ...ersion of units of temperature 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 reprints and excerpts contact Bosch Security Systems B V The content and illustrati...

Page 7: ...each other thanks to matched acoustical electrical and mechanical specifications 3 2 Parts included Quantity Component 1 PLE 4MA240 CN PLENA Mixer amplifier 1 Power cord 1 Set of 19 mounting brackets 1 Manual 1 Important safety instructions 3 3 The PLENA Mixer amplifier The PLENA Mixer amplifier is a high performance 4 zone mixer amplifier built on energy efficient class D technology Three selecta...

Page 8: ...r larger systems with more output power Users can create custom labels for inputs music sources and output zones These labels can be attached to the special holders at the front of the mixer amplifier Colored pins can also be inserted at various positions around the volume and tone controls to indicate favorite settings for a particular application An LED VU meter monitors the master output A head...

Page 9: ...or user defined description of zone names Custom labels can be created by user 6 Master volume control knob It controls all inputs except emergency 7 LED VU meter for master output with LEDs for 18 12 6 3 0 dB 8 Input level control knobs for microphone line 1 microphone 2 microphone 3 9 Music source selector for Aux inputs 1 2 and 3 Selected Aux input LED switches on green unselected Aux input LED...

Page 10: ... Balanced mic line input 3 pins remaining 2 pins for trigger input if these two pins are not connected this input will be mixed with other inputs without priority 5 Microphone 2 input with combo XLR TRS balanced signal input connector 6 DIP switch for microphone 2 and 3 with selection for phantom power 18VDC 7 Microphone 3 input with combo XLR TRS balanced signal input connector 8 Ducking level co...

Page 11: ... tabletop use or installation in a 19 rack see figure 4 1 If you install the unit in a 19 rack Ensure that it does not exceed the overheating temperature 45 C ambient Use the included Bosch 19 mounting brackets Remove the 4 feet from the bottom of the unit Figure 4 1 19 bracket and rack mounting 4 3 Check settings configurations 1 Connect any additional equipment see Connecting inputs page 12 and ...

Page 12: ... line level 200 mV signal to the microphone line input connect it as follows Signal to pin 2 pin 1 and pin 3 to ground 5 1 2 Additional microphones inputs 2 and 3 Additional microphones can be connected to microphone input 2 and 3 with XLR or TRS type connectors These microphones will mix with the background music Phantom power can be switched on to provide power to condenser microphones The telep...

Page 13: ...c connect the line out connectors of the music source to the appropriate line in connectors of the mixer amplifier The unit has three music source inputs two stereo Cinch inputs Aux 1 and Aux 2 on the rear panel for music from an installed device like a CD DVD player or radio one 3 5mm stereo mini jack input Aux 3 on the front panel for music from mobile devices like a mobile phone or laptop 5 2 C...

Page 14: ...ime will be sounded at the beginning of an announcement Chime will not be sounded at the beginning of an announcement Use a chime to attract listener s attention before making an announcement Phantom power mic line 1 mic 2 mic 3 Provides power to condenser microphones Phantom power unavailable Enable phantom power if you use electret or condenser microphones PTT Push to talk mic line 1 When the Pu...

Page 15: ...custom labels for the microphone line inputs description of the music sources and audio output zones 1 to 4 These labels can be attached to the mixer amplifier at position numbers 2 3 and 5 see Front panel page 9 Colored pins can also be inserted at various positions around control knobs to indicate the favorite settings for a particular application The pins are engineered in such a way that they ...

Page 16: ...Security Systems B V 1 Insert the paper label into the holder at the front of the unit 2 Pick up the cover and then bend it slightly in the middle by hand 3 Fit the cover into the slot at the front of the unit and then gently release the cover making sure that the paper label stays in place ...

Page 17: ... green LED The music input selected is stored in the unit Therefore it is not necessary to repeat the selection after restart 7 3 2 Volume control Use the music source volume control knob 11 to control the sound level of the selected music source 7 4 Tone control The tone control knobs provide separate control of high frequency treble and low bass frequency audio for the mixed input of mic line an...

Page 18: ...s B V However telephone 100V emergency announcements are always routed to all zones irrespective of the position of the zone selection buttons 7 5 2 Master volume control Use the master volume control knob 6 to collectively control the sound level of all outputs except the emergency announcement signal ...

Page 19: ... cables properly Check the input source is working correctly and sending an appropriate level of signal The audio output sound is distorted or sounds strange The audio output cable has not been properly plugged in The correct cables have not been used The input level is clipping Music source signal level is not correct Check all connections are plugged in properly Use correct cable type for input ...

Page 20: ...asks should be carried out Clean the unit Periodically clean the unit with a damp lint free cloth Clean the air inlets The unit can collect dust from operation Clean the air inlets at least once a year Check the connectors and grounding Periodically check All cable connections for corrosion and the screw terminals to make sure that they have not become loosened The ground Protective Earth connecti...

Page 21: ... is setting dependent Treble control 12dB frequency is setting dependent Mic line input 1x Input 1 Push to talk contact with ducking functionality 5 pin Euro style balanced phantom Mic input 2x Input 2 3 Combo XLR or TRS balanced phantom Sensitivity 1mV 1 3dB mic 300mV 1 3 dB line Impedance 1 kOhm mic 1 5 kOhm line S N flat at max volume 60dB mic 70dB line S N flat at min volume muted 75dB CMRR mi...

Page 22: ...100V Impedance 10 kOhm S N flat at max volume 80dB Line output 1x Connector 3 pin Euro style pluggable screw terminal Nominal level 1V Impedance 100 Ohm Loudspeaker Output Connector Screw floating Max rated 240W Zones 4 Priority 24VDC for loudspeaker volume control override Mechanical Dimensions HxWxD 100 x 430 x 270 mm 19 wide 2U high with feet Mounting Stand alone 19 rack Color Charcoal Weight n...

Page 23: ...PLENA Mixer amplifier 4 zone 240W Technical data 23 Bosch Security Systems B V Operation manual 2019 03 V1 1 ...

Page 24: ...24 Technical data PLENA Mixer amplifier 4 zone 240W 2019 03 V1 1 Operation manual Bosch Security Systems B V ...

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Page 26: ...Bosch Security Systems B V Torenallee 49 5617 BA Eindhoven Netherlands www boschsecurity com Bosch Security Systems B V 2019 ...

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