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Bose FreeSpace IZA 2120-HZ にも： 設置および操作マニュアル (48 ページ)
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Expanding an IZA system with a ZA amplifier
pro.Bose.com
Expansion overview
The FreeSpace
zone amplifier makes system expansion easy. When a system design requires more loudspeakers than
®
the FreeSpace IZA 2120-LZ/HZ integrated zone amplifier can support, a FreeSpace zone amplifier can be connected to
provide additional power or zones.
When connected together, the IZA 2120-LZ/HZ and any zone amplifier (ZA 2120-LZ/HZ, ZA 250-LZ, ZA 190-HZ) can
operate together as one system, sharing the same music and paging sources. The IZA 2120-LZ/HZ amplifier operates
as the master of the zone amplifier, determining which audio sources will be heard. The overall MASTER LEVEL volume
can be controlled by the integrated zone amplifier in one larger zone, or volume control can be distributed in multi-zone
installations.
Connecting an IZA 2120-LZ/HZ amplifier to a ZA 2120-LZ/HZ amplifier
Using the included RCA cable, connect the AUX OUT of the IZA 2120-LZ/HZ amplifier to the unbalanced INPUT of any
zone amplifier.
FIXED
VARIABLE
AUX OUTPUT
Note: It is recommended that when amplifiers are connected together, that both amplifier AC power cords are plugged
into the same AC outlet to reduce potential noise issues.
Line input connections
When using a front-end signal processor, or connecting multiple zone amplifiers to an integrated zone amplifier, the in-
cluded RCA cable may need to be modified. The wiring diagram for the zone amplifier line-level input RCA connectors is
provided below.
Sleeve
Tip
34 - English