Bosch Appliances LBB 1912/10, LBB 1914/10 manual Technical data, Electrical, Performance, Inputs

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Plena Mixer Amplifier Installation and Operating Manual Technical data

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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 inrush current

 

 

LBB1903/10

4.5 A/9 A (230/115 Vac)

 

LBB1906/10

5 A/10 A (230/115 Vac)

 

LBB1912/10, LBB1914/10

8 A/16 A (230/115 Vac)

Battery voltage

24 Vdc, +20%/-10%

Max battery current

 

 

LBB1903/10

1.6 A

 

LBB1906/10

3 A

 

LBB1912/10, LBB1914/10

6 A

6.2

Performance

 

Frequency response

50 Hz - 20 kHz (+1/-3 dB @ -10 dB ref. rated output)

Distortion

< 1% @ rated output, 1 kHz

Bass control

-8/+8 dB @ 100 Hz

Treble control

-8/+8 dB @ 10 kHz

6.3 Inputs

Input 1 (5-pin DIN, balanced with phantom power, 6.3 mm phone jack)

Input 2 (3-pin XLR, balanced with phantom power, 6.3 mm phone jack)

Sensitivity

1 mV

Impedance

> 1 kOhm

S/N (flat at max volume)

63 dB

S/N (flat at min volume/muted)

> 75 dB

CMRR

> 40 dB (50 Hz - 20 kHz)

Headroom

> 25 dB

Speech filter

-3 dB @ 315 Hz, high-pass, 6 dB/oct

Phantom power supply

16 V via 1.2 kOhm

VOX (input 1 only)

attack time 150 ms

 

release time 2 s

Input 3 and 4 (3-pin XLR, balanced with phantom power, 6.3 mm phone jack)

Sensitivity

1 mV (microphone), 200 mV (line)

Impedance

> 1 kOhm (microphone)

 

> 5 kOhm (line)

S/N (flat at max volume)

63 dB (microphone), 70 dB (line)

S/N (flat at min volume/muted)

75 dB

CMRR

> 40 dB (50 Hz - 20 kHz)

Headroom

> 25 dB

Speech filter

-3 dB @ 315 Hz, high-pass, 6 dB/oct

Phantom power supply

16 V via 1.2 kOhm (microphone)

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 speech filters Internal settingsSetting the VOX for microphone input Setting the output voltage for LBB1914 Setting the chime volumeSetting the output voltage for LBB1903, LBB1906 and LBB1912 Installation in rack Priority microphone External settings and connectionsConnect the DC supply battery Chime ON/OFF-switch 115V/230VMicrophone inputs Emergency inputConnecting the line output Music source inputsConnecting loudspeakers LBB1912/10Mains connection 2Low impedance loudspeakersVolume and tone control Operation of mixer amplifierSource selection Zone selection LBB1914/10 onlyTechnical data ElectricalPerformance InputsOutputs Environmental conditionsGeneral Page For more information visit