Mitsubishi Electric MFZ-KA-VA Technical Data Manual page 59

SLZ-KA25VAL
SLZ-KA25VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SLZ-KA50VAL
SLZ-KA50VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops. The sound
may be bigger than displayed level under actual installation condition by surrounding echoes. The sound level
can be higher by about 2 dB than the displayed level during cooling and heating operation.
<50Hz>
NOTCH SPL(dB) LINE
High 37
Medium
31
Low
28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
<50Hz>
NOTCH SPL(dB) LINE
High 39
Medium 34
Low 30
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SLZ-KA35VAL
SLZ-KA35VA
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
CEILING
59
NOTCH SPL(dB)
High 38
Medium 33
Low 29
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
1.5m
MICROPHONE
<50Hz>
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
UNIT