Samsung AC MN KH/EU Series - Page 60

7. Sound Data
60
Wind-Free 4Way Cassette
Sound Pressure level
Unit: dB(A)
1.5m
Microphone
Model High MID LOW
AC120NN4DKH/EU 45 40 35
AC140NN4DKH/EU 45 41 37
• NR Curve
5) AC120NN4DKH/EU 6) AC140NN4DKH/EU
NR 65
NR 60
NR 55
NR 50
NR 45
NR 40
NR 35
NR 30
NR 25
NR 20
NR 15
High
Low
00
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63 125 250 500 1000 2000 4000 8000
Sound Pressure Level (dB)
Octave Band Center Frequency(Hz)
NR 65
NR 60
NR 55
NR 50
NR 45
NR 40
NR 35
NR 30
NR 25
NR 20
NR 15
High
Low
00
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63 125 250 500 1000 2000 4000 8000
Sound Pressure Level (dB)
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