Praesideo 3.5 Installation and User Instructions 4 Amplifiers

en 180

10.7.9 Audio line inputs

Connector (rear side):

3 pole header for removable screw connector Preferred cable:

Twisted pair, shielded Input signal level:

0 dBV nominal

18 dBV maximum

Input sensitivity setting:

<-40 to 0 dB with pre-set control Frequency response:

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

22 kohm

Signal/Noise ratio:

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

>40 dB at 1 kHz

Input cross-talk: < -70 dB at 1 kHz

10.7.10Loudspeaker outputs and spare inputs

Connector (rear side):

1 x 6 pole header with removable screw connector Voltage:

100 V, 70 V (jumper setting) Max. unloaded voltage:

200 V peak

Rated load resistance:

@100/70 V output PRS-1B500

20/10 ohm PRS-2B250 40/20 ohm PRS-4B125 80/40 ohm PRS-8B060 166/83 ohm

Rated load capacitance: @ 100/70 V output PRS-1B500

250/500 nF PRS-2B250 125/250 nF PRS-4B125 60/125 nF PRS-8B060 30/60 nF

Rated output power:

@a/b/c/d/e/f operating condition PRS-1B500

1 x 500/400/275/180/180/125 W

PRS-2B250

2 x 250/210/150/110/110/60 W PRS-4B125

4 x 125/105/65/60/60/30 W PRS-8B060

8 x 60/50/40/30/30/15 W Distortion:

<0.3% at 1 kHz and 50% of the rated output power

<1% at 100% of output power

Output regulation no load to full load: <1.2 dB for 70 and 100V output

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual Twisted pair, shielded Input signal level
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3.5 specifications

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