Sound Level Characteristics - Electra WNG 50 DCI Service Manual

6.

SOUND LEVEL CHARACTERISTICS

6.1 Sound Pressure Level
6.2 Sound Pressure Level Spectrum
WNG 50
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
WNG 72
SM WNGDCI 2-E.4 GB
SOUND LEVEL CHARACTERISTICS
Unit
1m
Wall
0.8m
Mic.
Figure 1
(Measured as Figure 1)
NC-70
NC-60
NC-50
NC-40
NC-30
APPROXIMATE
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
CONTENTS
FAN SPEED
HI
ME
LO
WNG 60
BAND CENTER FREQUENCIES, Hz
WNG 80
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
6-1