Bosch Appliances LBB 1914/10, LBB 1912/10, LBB 1906/10 manual Outputs, Environmental conditions

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Plena Mixer Amplifier Installation and Operating Manual Technical data

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

Emergency / telephone (Screw, balanced)

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Sensitivity

Impedance

VOX

S/N (flat at max volume)

Interconnection (Cinch)

100 mV - 1 V adjustable

>10 kOhm threshold 50 mV attack time 150 ms release time 2 s

>65 dB

Nominal level

1 V

Impedance

> 10 kOhm

6.4 Outputs

Master output 1 (3-pin XLR, balanced)

 

Nominal level

1 V

Impedance

< 100 Ohm

Tape output (Cinch, 2x mono)

 

Nominal level

350 mV

Impedance

1.5 kOhm

Interconnection (Cinch)

 

Nominal level

1 V

Impedance

< 100 Ohm

Loudspeaker outputs (Screw, floating)

 

Max/rated output power 70/100 V

 

LBB1903/10

45 W/30 W

LBB1906/10

90 W/60 W

LBB1912/10, LBB1914/10

180 W/120 W

8 Ohm output

 

LBB1903/10

16 V (30 W)

LBB1906/10

22 V (60 W)

LBB1912/10, LBB1914/10

31 V (120 W)

Output power @ 24 V battery operation

-1 dB ref. rated power

6.5 Environmental conditions

Operating temperature range

-10 to +45 °C

Storage temperature range

-40 to +70 °C

Relative humidity

< 95%

Bosch Security Systems 2003-09 3922 988 92883en

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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 Internal settings Setting the VOX for microphone inputSetting the speech filters Setting the chime volume Setting the output voltage for LBB1903, LBB1906 and LBB1912Setting the output voltage for LBB1914 Installation in rack External settings and connections Connect the DC supply batteryPriority 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