Eaw D S A 2 3 0 User Manual download pdf (Page 16)

additional benefits in reduced installation costs and operation. The

flexibility of the DSAPilot to automatically optimize the acoustical

performance for multiple DSA Series loudspeakers in a single larger space

further enhances their advantage over traditional solutions.

4.8 Designing DSA Systems

DSA loudspeakers can be used individually, in multiples, or in various

cluster configurations to satisfy a wide range of design requirements. By

using different configurations, DSA performance can be varied according to

the type of audio program, the frequency range for the vertical control

desired, the maximum output levels, the audience location relative to the

loudspeaker, and for meeting the requirements for special applications.

Chapter 5 Installation

This chapter details the requirements for installing the loudspeaker.

Specific details may require some variation depending on the particular

situation. However, the basic requirements are the same in all cases.

Loudspeaker refers to either a DSA230 or DSA250.

Cluster refers to any of the permissible arrangements of single or multiple

DSA230s or DSA250s as defined in DSAPilot. Whether they consist of a single

or multiple loudspeakers, all DSA clusters function as a single loudspeaker.

5.1 Electrical Installation

This section details the electrical requirements for installing

the loudspeaker. Specific cabling details may require some

variation depending on the particular situation. However, the

basic requirements are the same in all cases.

Basic electrical installation tasks include:

Audio signal connection

Computer control connection

AC mains connection

5.1.1 CABLE ROUTING CONSIDERATIONS

The configuration and orientation of the loudspeakers will determine

where signal, computer, and AC mains cabling must be connected to

the loudspeakers. For certain cluster configurations it may be necessary

to route cabling from one end of a loudspeaker to another.

The main cable routing method is to use the channels in the heat sink

extrusion that forms the rear of the DSA250 and DSA230 enclosures.

These channels are intended to be used to route and conceal cabling

the length of the enclosure as required. In this way, single wall outlet

locations for audio, computer, and AC mains can easily service a single

loudspeaker or loudspeaker cluster.

To facilitate cable routing, clusters have been arranged, where possible,

so the Power Ends of the enclosures are adjacent. This minimizes the

routing of AC mains cables, which are heavier and more difficult to

thread into the extrusion than signal cables.

SIGNAL LINK

CABLE TO

ADJACENT DSA

LOUDSPEAKERS

SIGNAL LINK CABLE T

ADJACENT DS

LOUDSPEAKER

AC MAINS*

(115V OR 230V)

TO EIA-485

CONVERTER*

EIA-485*

CABLE

AUDIO B CABLE (IF USED)*

PC*

DAISY-CHAI

CABLE TO DS

LOUDSPEAKER

DSA

LINE LEVEL

AUDIO

SOURCE(S)*

RS-232

AUDIO A CABLE*

*SUPPLIED BY THE USER

Figure 5.1 Electrical Block Diagram

CABLE CHANNELS

Figure 5.1.1 Cable Channels

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 43 44

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