Radio Shack Sound Level Meter Manuale del Proprietario Scaricare il pdf (Pagina 17)

17

Controls

To use your meter to check noise levels,

set

WEIGHTING to A and RESPONSE to

SLOW. Take measurements at several

points in the test area, with the meter posi-

tioned properly.

Average dB levels of some common

activities.

CHECKING ROOM

ACOUSTICS

The size, shape, and furnishings of a

room can have a tremendous effect on a

home theater system’s performance. A

“hard” room with bare surfaces tends to

exaggerate treble response, sometimes

giving the music a strident quality. A “soft”

room with curtains, overstuffed furniture,

carpet, and so on, might reduce high-fre-

quency response. This may result a domi-

nant bass sound.

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