Mitsubishi Electric PRH-P8MYA Technical & Service Manual page 36

PRH-P16MYA
Measurement condition
1m
Measured
point
1m
PRH-P20MYA
Measurement condition
1m
Measured
point
1m
63Hz 125Hz 250Hz 500Hz
71 64 62
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250
OCTAVE BAND CENTER FREQUENCIES <Hz>
63Hz 125Hz 250Hz 500Hz
71 65 64
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250
OCTAVE BAND CENTER FREQUENCIES <Hz>
- 33 -
1000Hz 2000Hz 4000Hz 8000Hz
61 55 53 46
500 1000 2000
1000Hz 2000Hz 4000Hz 8000Hz
62 56 54 46
500 1000 2000
A characteristics
39 62 (dB)
NC70
NC60
NC50
NC40
NC30
NC20
4000 8000
A characteristics
40 63
(dB)
NC70
NC60
NC50
NC40
NC30
NC20
4000 8000