Bosch LBB 1906/10 - Manuals

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 7 1 About the mixer amplifier Figure 1.1 The Plena Mixer Amplifier is a mono amplifier for mixing up to 4 microphone signals and (background) music signals. You can adjust the volume ...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 8 1.1 Controls and connections (front) Figure 1.2 3 0 dB -6 dB -20 dB Power 1 4 2 Line CD AUX Master Zone 1 Zone 2 Select Plena Mixer Amplifier 2 1 5 6 7 10 11 12 13 3 4 8 9 Only for ...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 10 2 Internal settings Figure 2.1 Figure 2.2 2.1 Setting the VOX for microphone input 1 Input 1 has the option of a voice-controlled priority (VOX), which will overrule all other inpu...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 11 2.3 Setting the chime volume Adjusting the potentiometer VR401 changes the volume of the chime attention signal, preceding a priority call. Be careful not to adjust VR701; this is ...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 12 3 Installation in rack Figure 3.1 The mixer amplifier is delivered for tabletop use, but you can mount it in a 19" rack.If you mount the amplifier in a rack, you must:• ensure ...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 13 4 External settings and connections 4.1 Connect the DC supply (battery) Figure 4.1 The mixer amplifier has a 24 Vdc input (terminal screw), which you can use to connect a back up p...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 15 4.4 Microphone inputs Figure 4.4 Dependent on the microphone choose between the XLR with Phantom power and the 6.3 mm phono jack connector. Use an extension cable (1) if necessary....

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 16 4.6 Music source inputs Figure 4.6 When using a CD player, tape recorder or tuner for background music, connect the line-out connectors of the music source to the appropriate line-...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 17 4.8 Connecting loudspeakers Figure 4.8 4.8.1 Constant voltage loudspeakers The mixer amplifier can drive 100 V constant voltage loudspeakers at full power (100 V) or half power (70...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 19 5 Operation of mixer amplifier Figure 4.6 Use the supplied mains cord to connect the system to the mains supply. Figure 5.1 5.1 Source selection • Use the music source selector (8)...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 20 6 Technical data 6.1 Electrical 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 in...

Bosch Security Systems | 2003-09 | 3922 988 92883en Plena Mixer Amplifier | Installation and Operating Manual | en | 21 Music input (Cinch, stereo converted to mono) Sensitivity 200 mV Impedance 22 kOhm S/N (flat at max volume) > 70 dB S/N (flat at min volume/muted) > 75 dB Headroom > 25 dB...

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