10
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB(0dB=0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
PKFY-P63VFM-E
High
Low
45
SPL(dB)
39
LINE
NOTCH
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB(0dB=0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
PKFY-P100VFM-E
High
NOTCH
Low
46
SPL(dB)
41
LINE
UNIT
WALL
1m
1m
MICROPHONE
3-3. NOISE CRITERION CURVES
OC356A--1.qxp 06.7.7 3:50 PM Page 10
Summary of Contents for PKFY-P100VFM-E PKFY-P100VFM-E
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