Bosch Appliances LBB 1906/10, LBB 1912/10, LBB 1914/10, LBB 1903/10 manual General

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Plena Mixer Amplifier Installation and Operating Manual Technical data

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6.6 General

EMC emission	acc. to EN 55103-1
EMC immunity	acc. to EN 55103-2
Acoustic noise level of fan	< 40 dB SPL @ 1 m (LBB1912/10 and LBB1914/10 only)
Dimensions	100 x 430 x 270 mm (19” wide, 2U high)
Weight
LBB1903/10	approx. 5 kg
LBB1906/10	approx. 8.5 kg
LBB1912/10, LBB1914/10	approx. 10.5 kg
19” mounting brackets	LBC1901/00 (to be ordered separately)

Bosch Security Systems 2003-09 3922 988 92883en

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Contents Plena Mixer Amplifier Page Important safeguards Safety precautions About this manualTable of contents Bosch Security Systems 2003-09 3922 988 92883en Phantom Power About the mixer amplifierControls 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 Chime ON/OFF-switch 115V/230VMicrophone inputs Emergency inputConnecting the line output Music source inputsConnecting loudspeakers LBB1912/10Mains connection 2Low impedance loudspeakersSource selection Volume and tone controlOperation of mixer amplifier Zone selection LBB1914/10 onlyPerformance Technical dataElectrical InputsOutputs Environmental conditionsGeneral Page For more information visit