Instruction/ maintenance manual of the product LBB 1903/10 Bosch Appliances
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Plena Mixer Amplifier Installat ion and Operatin g Manual L B B 19 0 3 /1 0 , L B B 19 0 6 /10 , L B B 191 2 /10 , L B B 19 14 /10 en.
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Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | Important s afeguards en | 3 Import ant safeguards 1 Read instructions - All the safety instructions for use should be read before the system is operated.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installatio n and Operating Manual | Abou t this manual en | 4 About t his manual This manual provides al l the information required to install and opera te the unit. Conventions Safet y prec aut ions Warning Fol low these instru ctions to prevent p ersonal injury .
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manu al | T able of contents en | 5 T able of content s Important safeguards ....................................................................
Plena Mixer Amplifier | Installation and Operating Manu al | T able of Contents en | 6 Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 7 1 About t he mixer amplifier Figure 1.1 The Plena Mixer Amplifier is a mono amplifier for mixing up to 4 micro phone signals and (b ackground) music signals.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 8 1 . 1 Cont rols and connections ( front ) Figure 1.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 9 1 .2 Cont rols and connections ( rear ) Figure 1.3 1 Chime ON/OFF switch 2 Priority mi crophone inp ut (5-pole DIN /balanced with Phantom pow er) 3 Input 1 microphone inpu t (6.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 0 2 Int ernal set tings Figure 2.1 Figure 2.2 2. 1 Set t ing the VOX for microphone input 1 Input 1 has the option of a voice-co ntrolled priority (VOX), which will overrule all othe r inputs when it recognizes a voice signal.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 1 2.3 Set t ing the chime volume Adjusting the potentiometer VR401 change s the volume of the chime attention si gnal, preceding a priority call.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 2 3 Inst allat ion in rack Figure 3.1 The mixer amplifier is deliv ered for tabletop use, but you can moun t it in a 19" rack.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 3 4 Ext ernal set tings and connect ions 4. 1 Connect t he DC supply ( bat tery ) Figure 4.1 The mixer amplifier has a 24 Vdc input (terminal screw), which you can use to connect a back up power supp ly, e.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 4 Microphone 1 input has a 5-pole DIN (for a 3 or 5-po le DIN microphone) and a 6.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 5 4.4 Microphone input s Figure 4.4 Dependent on the microphone choo se between the XLR with Phantom power and the 6.3 mm phono jack connector.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 6 4.6 Music source inputs Figure 4.6 When using a CD player, tape recorder or tuner for background music, co nnect the line-out co nnectors of the music source to the appropriate line -in connectors of the mixer am plifier (e.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 7 4.8 Connecti ng loudspeakers Figure 4.8 4.8. 1 C onst ant voltage loudspeakers The mixer amplif ier can drive 100 V constant voltage lo udspeakers at full powe r (100 V) or half power (7 0 V).
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 8 4.8. 2 Low impedanc e loudspeakers Connect low impedance loudspea kers to the 8 Ohm/0 terminals. This outpu t can deliver the rated output power into an 8 Ohm load.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 1 9 5 Operat ion of mixer amplifier Figure 4.6 Use the supplied mains cord to connect the system to the mains supply. Figure 5.1 5.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 20 6 T echnic al data 6. 1 Elect ric al Mains voltage 230/115 Vac, ±10%, 50/60 Hz Max mains power consumption LBB1903/10 100 VA LBB1906/10 200 VA LBB1912/10, LBB1914/10 400 VA Max mains inrush current LBB1903/10 4.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 2 1 Music input ( Cinch, st ereo converted t o mono) Sensitivity 200 mV Impeda n.
Bosch Security Systems | 20 03-09 | 3922 9 88 92883 en Plena Mixer Amplifier | Installation and Operating Manual | en | 22 6.6 General EMC emission acc.
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For more information vi sit www.boschsecuritysystems.com © Bosch Security Systems B.V. Data subject to change without notice 2003-09 | 3922 988 92883en.
An important point after buying a device Bosch Appliances LBB 1903/10 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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