Bose 802 C II Benutzerhandbuch - Seite 4

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3.0 Introducing

The Controllers

Bose

C and 80

(Figure ) provide the equalization and crossover

electronics necessary to complete any sound

reinforcement system which includes the Bose 40,

40W, 80, or 80W loudspeakers. Each controller

has a Mode Switch to accommodate various full-

range or bi-amplified sound system configurations.

The U 9" rack-mount chassis of each controller

contains dual-channel signal processing electronics

with 8 dB/octave crossover and active equalization

circuitry. These work with the 40 and 80

loudspeakers as well as in bi-amplified systems with

the Panaray

or the 50BP portable Acoustimass bass enclosure.

Both controllers have -0/+4 dB input sensitivity

switches, and balanced XLR inputs and outputs.

They also have -8/+3 dB bass level control, plus

bass Mono Sum and Mode switches.

Authorized Bose personnel can install the separate

OC- option card in the 40C, 80C II, or 50C

(Panaray) systems controllers. The OC- option

card allows a system to be configured with the

Acoustic Wave

Cannon

the bass rather than the 50B or 50BP enclosures.

C II systems controllers

B Acoustimass

bass enclosure

System II loudspeaker as

The 40C systems controller (left) and the 80C II systems controller.

4.0 sound system

Configurations

4.1 Basic Configurations

The 40

C and 80

offer a flexible building-block approach to sound

system design. Please review the sample system

configurations shown in Figures through 8. They

can help you get started with your system design.

Note: For bi-amplified systems using a 502

502BP, or Acoustic Wave

loudspeaker for bass reinforcement, you will need a

channel of amplification in addition to that supplying

power to the 402 or 802 loudspeakers. This can

be: (A) a single mono amplifier, (B) one side of

a dual-channel amplifier, or (C) a dual-channel

amplifier in bridged mono mode (if the amplifier has

this). Always consult the amplifier manufacturer's

specifications to ensure that the output power

matches that of the recommended range for the

loudspeakers in the system — see Appendix B.

Figure 1

C II systems controllers

Cannon

System II