Praesideo 3.5 Installation and User Instructions 4 Amplifiers

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8.8.9Audio line inputs

Connector (rear side):

6pole header (type ETB47-06-2-G1 (ECE)) for removable screw connector

Preferred cable:

Twisted pair, shielded Maximum input signal level: 6 dBV

Input range:

-12 to 0 dB with respect to maximum input level Input sensitivity setting:

Software

Frequency response:

-3 dB points at 50 Hz and 20 kHz (tolerance ± 1 dB) Input impedance:

22kΩ Signal/Noise ratio:

>87 dB (rms unweigthed) Common mode rejection ratio:

>40 dB at 1 kHz

Input cross-talk: < -80 dB at 1 kHz

<-70 dB at 10 kHz at -11 dBV input level Distortion:

< 0.1%

8.8.10 Audio microphone inputs

Connector (rear side):

6pole header (type ETB47-06-2-G1 (ECE)) for removable screw connector

Preferred cable:

Twisted pair, shielded Nominal input signal level: -57 dBV

Input range:

-7 to 8 dB with respect to nominal input level Input sensitivity setting:

Software

Frequency response:

100 Hz to 16 kHz Input impedance: 1360 Ω Signal/Noise ratio:

>60 dB (rms unweigthed at -60 dBV) Common mode rejection ratio:

>40 dB at 1 kHz

Input cross-talk:

<-80 dB at 1 kHz at -60 dBV input level

<-70 dB at 10 kHz at -60 dBV input level

Distortion:

<0.1% Phantom supply:

12 V ± 1 V (max. 15 mA)

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual Audio line inputs, Audio microphone inputs
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3.5 specifications

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