Multi Room Audio Amplifier

Installation Instructions

3 Wiring Details

Use high quality cables and connectors for best results. Make sure that all connections are tight and that no strands of wire are protruding from the connectors. Bootlace crimps are recommended for twisted network cable connections.

3.1Speaker Connections

The high power MRA amplifiers use spring-type connectors. The Low Power Remote Amplifier uses a screw-type connector.

Use low-impedance, stranded speaker cable to connect the loudspeakers to the output terminals on the amplifier. The impedance of the cables should not exceed 5% of the impedance of the speakers. As a general rule, the larger the diameter of the speaker cable's conductors, the lower the impedance.

Cautions

Avoid damage to the equipment by observing these cautions.

Do not allow the positive and negative speaker wires to short together.

Do not make any connection between speakers connected to different amplifiers.

Do not connect any speaker wires to earth (ground).

Observe the positive (+) and negative (-) markings on the amplifier and make sure that you consistently connect the cables to the speakers throughout the installation. If speaker wire polarity is wrong, sound quality will be poor due to out-of-phase sound from the various speakers.

Figure 3. Amplifier loudspeaker terminals

In certain cases, you can connect multiple speakers to each channel of the amplifier by following the speaker manufacturer's recommendations.

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Schneider Electric 560125R/2, 560110R, 560125D/2 installation instructions Wiring Details, Speaker Connections

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