Bose FreeSpace IZA 190-HZ Руководство по установке и эксплуатации - Страница 14

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Setup and Operation

3.4 Expanding an IZA system with a ZA amplifier

The Bose

FreeSpace

ZA 190-HZ/250-LZ Zone Amplifier makes system expansion easy. When a system design requires

more loudspeakers than the FreeSpace IZA 190-HZ/250-LZ Integrated Zone Amplifier can support, the FreeSpace ZA

190-HZ/250-LZ Zone Amplifier is available to provide additional power.

The IZA 190-HZ/250-LZ and ZA 190-HZ/250-LZ amplifiers will function together as one system – sharing the same music

and paging sources. The IZA 190-HZ/250-LZ amplifier functions as the "master" of the ZA 190-HZ/250-LZ amplifier –

determining which audio sources will be heard and controlling the overall Master Level volume.

Connect the AUX OUT of the IZA 190-HZ/250-LZ amplifier to the INPUT of the ZA 190-HZ/250-LZ amplifier with the

included RCA cable.

Note: It is recommended that when amplifiers are connected together, that both amplifier AC power cords are plugged

into the same AC outlet.

The zone amplifier can also be used as a standalone power amplifier with a front-end signal processor – including

the Bose FreeSpace

DXA 2120 Digital Mixer/Amplifier, FreeSpace 4400 Business Music System, and ControlSpace

Engineered Sound Processor.

When using a front-end signal processor, the included RCA cable may need to be modified. The wiring diagram for the

zone amplifier line input RCA connectors is provided below.

Sleeve

Tip

Refer to Section "2.4 Loudspeaker connections" on page 20 for instructions.

Page 28

Installation and Operating Guide

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