Bose 802 C II Manuale d'uso - Pagina 5

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4.2 Configurations Including The

Acoustic wave

system II loudspeaker

Follow these steps when you install a bi-amplified

system that includes the AWCS II loudspeaker for

bass.

1. Have authorized Bose

option card in the controller.

CAUTION: Make sure that the installer carefully

follows all instructions for the OC-1 option card.

These instructions are included with both the OC-

1 option card and in Appendix A of this Owner's

Guide.

2. Set the MODE switch on the controller's rear

panel to OPT 4.

3. Connect the LOW FREQ OUTPUT(s) to

each amplifier channel driving the AWCS II

loudspeaker(s). Use only the Channel (left-

hand) LF output for systems with mono bass. In

this configuration, the OUTPUT MODE switch

should be set to SUM.

From

pre-

amplifier

High

frequency

output

Cannon

personnel install the OC-

40 (or 40W) full-range system.

4. Each amplifier channel driving an AWCS II

loudspeaker also requires a protection circuit

(the protection circuit wiring harness is included

with the OC- option card). Connect this circuit

from the amplifier's loudspeaker terminals to

the protection circuit input connector on the

controller rear panel.

CAUTION: Even with the protection circuit, you must

make sure that the RMS power going to each AWCS

II loudspeaker does not exceed its recommended

amplifier range. If other amplifier channels will drive

additional AWCS II loudspeakers, make sure the

gain settings and loads on all amplifiers are the

same.

Amplifier

Figure 2

402 (R)

loudspeaker

402 (L)

loudspeaker