Bosch Appliances 9922 141 70691 en manual Audio outputs, Audio input details, line level signals

DCN Wireless Installation and User Instructions Central Devices

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You can select the procedure that is used to send audio signals through the central control unit with the audio routing modes (refer to 10.6.8).

Note

You can only connect line level sources to the audio inputs of the central control unit. It is not possible to connect microphone sources.

table 10.14: Audio input details, line level signals

Number of connections:

•1x XLR socket for each audio input

•1x double cinch socket for each audio input Location:

Rear side Cable: Shielded cable Maximum level: Refer to appendix A Nominal level: Refer to appendix A Frequency response:

-3 dB @ 30 Hz and 20 kHz Impedance:

•XLR: 22 kΩ

•Cinch: 12 kΩ

Signal-to-noise ratio:

>85 dBA @ max. level CMRR:

>60 dB @ 100 Hz

>50 dB @ 1 kHz Crosstalk attenuation:

>85 dB @ max. level Distortion:

< 0.1% @ 100 Hz @ -3 dB of the max. input

10.5.6 Audio outputs

You can connect an audio recording device or a public address system to the audio outputs of the central control unit. The central control unit has two audio outputs. Each audio output has (refer to figure 10.9):

•1 XLR plug for balanced signals. The electric circuits behind the XLR plugs contain transformers.

•1 double cinch socket for unbalanced signals.

Note

The two cinch sockets contain the same mono signal.

1 2

Audio Out

5

3 4

figure 10.9: Audio output, connection

table 10.15: Audio output, connection

Pin	Type	Signal	Description
1	XLR	Xternal	Shield/ground
2		Live	Positive
3		Return	Negative
4	Cinch	Live	Signal out
5		Return	Shield/Ground

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