Mitsubishi Electric PLA-RP1.6AA Service Manual page 59

Mr. slim pla series ceiling cassettes
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Table of Contents
PLA-RP5AA.UK
PLA-RP5AA
.UK
1
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
45
Medium1
43
Medium2
40
Low
37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
CEILING
MICROPHONE
PLA-RP6AA.UK
PLA-RP6AA
.UK
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
UNIT
1.5m
59
NOTCH SPL(dB)
High
45
Medium1
43
Medium2
40
Low
37
250
500
1000
2000
4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
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