Bose FreeSpace IZA 2120-LZ Kurulum ve Kullanım Kılavuzu - Sayfa 19

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Bose FreeSpace IZA 2120-LZ Kurulum ve Kullanım Kılavuzu

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FreeSpace® IZA 2120-HZ

The four-input IZA 2120-HZ mixer-amplifier is optimized for dual-zone high-impedance applications. It

has the ability to independently adjust the EQ, bass/treble level, and volume control (with A/B source

selection via two remote controls) for each zone.

This mixer-amplifier supports loudspeaker EQs for the FreeSpace FS3/HPF, DS 16, DS 40, and the larger

DS 100 and FS3B. Since each output supports an independent EQ, the amplifier has the ability to bi-amp

by driving a DS loudspeaker with EQ on one channel and an FS3B with EQ on the second channel, or any

required combination.

IZA 2120-HZ Front Panel

Figure 4. FreeSpace IZA 2120-HZ amplifier front panel

w e

q POWER Switch - ON/OFF AC power.

w POWER LED - Solid blue LED indicates the unit is ON. Blinking blue LED indicates the unit is in standby

mode.

e INPUT SIGNAL LED - LED is green from –37 dBu to 11 dBu, LED goes red over 11 dBu. MASTER LEVEL

set at 5.

r OUTPUT LIMIT LED - LED is green from –46 dBFS to –2 dBFS, LED goes red over –2 dBFS,

approximately 80 W/channel. For each output, 120 watts is 0 dBFS.

t AUX INPUT - 1/8" (3.5 mm) stereo line-level input connector. A cable insertion mutes INPUT A and

INPUT B for priority override. Pages can still be made from the PAGE INPUT. The AUX INPUT is

summed to MONO. AUX INPUT does not have any gain adjustment, therefore, all gain adjustments

must be done from the external source device.

y INPUT A/B Switch - Selects either INPUT A or INPUT B on the rear panel when the rear panel A/B

SELECT DIP switch is set to FRONT.

u TREBLE/BASS Controls - Allows tonal adjustments of both outputs simultaneously. These are 1st order

shelving filters that provide a ±6 dB adjustment at 7 kHz and above (TREBLE) and 100 Hz and below

(BASS). They have a slope of approximately 6 dB/octave.

i MASTER LEVEL Control - Controls the overall system volume for both the loudspeakers and the AUX

OUTPUT when the AUX OUTPUT DIP switch is set to VARIABLE. If the AUX OUTPUT DIP switch is set

to FIXED, the AUX OUTPUT maintains maximum level.

Note: When using a REMOTE volume connection, the front panel MASTER LEVEL control becomes

disabled. See "Remote Control Connections" on page 26 for more details.

Front and Rear Panels

t y

Installation Guide - 19