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Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers
8.8.14 Control outputs
Connector (rear side):
1 x 9 pole header (type ETB 43-09-2-G1 (ECE)) with
removable screw connector (shared with loudspeaker
output and spare amplifier input)
Contact type:
Relay contact, single pole, change-over contact
(SPDT)
Maximum switching power:
Refer to the graph.
Off state (unpowered):
C-NC is closed, C-NO is open
2.0
1.0
0.5
0.4
0.3
0.2
10
20
Contact Voltage (V)
figure 8.21: Maximum switching power
8.8.15 Headphones
Connector (front side):
3.5 mm stereo jack socket for headphones
Maximum output voltage:
6 dBV without volume control
Rated load impedance:
8 to 600 Ω
Signal/Noise ratio:
> 80 dB (at maximum output level)
Distortion:
< 0.5%
Bosch Security Systems | 2011-02
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