21
9. Sound Data
Indoor unit
Sound Pressure level
Unit: dB(A)
1m
1m
Microphone
Model
HIGH
MID
LOW
AF50MV3MCEENHC
51
48
45
AF50MS3MCEENHC
51
48
45
• NC Curve
1) AF50MV3MCEENHC
2) AF50MS3MCEENHC
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000 8000
So
un
d
Pr
es
su
re
L
ev
el
(d
B)
Octave Band Center Frequency(Hz)
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000 8000
So
un
d
Pr
es
su
re
L
ev
el
(d
B)
Octave Band Center Frequency(Hz)
NOTE
• Specifications may be subject to change without prior notice.
- Sound pressure level is obtained in an anechoic room.
- Sound pressure level is a relative value, depending on the distance and acoustic environment.
- Sound pressure level may differ depending on operation condition.
- dBA = A weighted sound pressure level
-
Reference acoustic pressure 0 dB = 20μPa
