Digiscan Labs DNG-2300 Podręcznik użytkownika - Strona 7

Przeglądaj online lub pobierz pdf Podręcznik użytkownika dla Falownik Digiscan Labs DNG-2300. Digiscan Labs DNG-2300 11 stron.

SPEAKER INSTALLATION

INTRODUCTION

Omni Masking Speakers should be placed above the ceiling tiles, in storage rooms that are inside the

target area and do not have transducers installed on the adjacent walls, or within crawl spaces that

do not have protection.

QUANTITY REQUIRED

Determine the number of speakers needed by these recommendations:

Drop/Tiled Ceiling - One centered on every 81 square feet.

Closets/Crawl Spaces - One suspended half the height of the room; centered on every 81 square feet.

MOUNTING

Speakers are usually hung by the cable. The environment in which it is placed is the determining

factor of its height positioning.

Drop Ceiling -Hang the speaker one to two feet above the ceiling tile. (figure 7)

Figure 7

Closets/Crawl Spaces - Place the speaker centered in the space halfway between the floor and

ceiling. (figure 7)

The DNG-2300 combats the problem of acoustic leakage by injecting noise onto the surface

perimeter of a target area. Three channels allow the user to group similar perimeter surfaces together

for level control. In large areas, more than one DNG-2300 should be employed.

When diagramming a room for acoustic protection, the following rules are recommended for good

system operation:

Group solid cement/concrete walls and floors on the same channel at full level when necessary.

Group windows and OMS-2000 speakers on the same channel when necessary.

Do not mix speakers in series with transducers. Their impedance is different.

Attention: Damage to your DNG-2300 may occur if improperly wired. Minimum load for channel

1,2 is 3 ohms.

Minimum load for channel 3 is 8 ohms