10
NOISE CRITERION CURVES
10-1. INDOOR UNIT
PLA-RP50BA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
250
BAND CENTER FREQUENCIES, Hz
PLA-RP71BA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
250
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB)
LINE
High
32
Medium1
31
Medium2
29
Low
28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
NOTCH SPL(dB)
LINE
High
34
Medium1
32
Medium2
30
Low
28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
PLA-RP60BA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
PLA-RP100BA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
69
NOTCH SPL(dB)
High
32
Medium1
31
Medium2
29
Low
28
250
500
1000
2000
4000
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB)
High
40
Medium1
37
Medium2
34
Low
32
250
500
1000
2000
4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000