PAVIRO Controller Connection | en 17
Bosch Security Systems
User manual
2022-11 | 07 | F01U306900
AUX IN
The RCA inputs AUX IN 1/2 allow connecting stereo line level sources. The stereo signal is
internally summed.
Recommended connecting cable: Standard AUX cable.
6.1.2 Amplifier inputs
The AMP IN audio inputs allow to connect the 100 V (or 70 V) output signals of two 2-channel
power amplifiers (up to four power amplifier channels) to the integrated 2-in-6 router blocks A
or B. Additionally there are two input channels for spare amplifiers.
The delivery includes 6-pin connectors. Conductor cross-sections of 0.14mm² (AWG26) to
1.5mm² (AWG16) can be used.
Recommended connecting cable: stranded wire, LiY, 0.75 mm².
Routing
Following illustration gives an overview of possible routings between the AMP IN audio inputs
and the SPEAKER OUT audio outputs using the internal relays of the device. The PVA-4CR12
includes two 2-in-6 routing blocks A or B. Each routing block provides 2 regular inputs, 1 spare
amplifier input and 6 outputs. Spare amplifier input S1 is for replacing the amplifiers
connected to inputs 1 of routing block A and B. Spare amplifier input S2 is for replacing the
amplifiers connected to the inputs 2 of routing blocks A and B.
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