Bosch Appliances LBB 1914/10, LBB 1912/10, LBB 1906/10, LBB 1903/10 manual Plena Mixer Amplifier

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Plena Mixer Amplifier

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Installation and Operating Manual

LBB 1903/10, LBB 1906/10, LBB 1912/10, LBB 1914/10

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Contents Plena Mixer Amplifier Page Important safeguards About this manual Safety precautionsTable of contents Bosch Security Systems 2003-09 3922 988 92883en About the mixer amplifier Phantom PowerControls and connections front Controls and connections rear Setting the VOX for microphone input Internal settingsSetting the speech filters Setting the output voltage for LBB1903, LBB1906 and LBB1912 Setting the chime volumeSetting the output voltage for LBB1914 Installation in rack Connect the DC supply battery External settings and connectionsPriority microphone 115V/230V Chime ON/OFF-switchEmergency input Microphone inputsMusic source inputs Connecting the line outputLBB1912/10 Connecting loudspeakers2Low impedance loudspeakers Mains connectionOperation of mixer amplifier Volume and tone controlSource selection Zone selection LBB1914/10 onlyElectrical Technical dataPerformance InputsEnvironmental conditions OutputsGeneral Page For more information visit