Samsung Slim Duct-CNH LDB, Technical Data Book

Page: 51 / 108

7. Sound Data
Duct S
Sound Power level
NOTE
• Specifications may be subject to change without prior notice
- Sound power level is an absolute value that a sound source
generates.
- dBA = A-weighted sound power level.
- Reference power : 1pW.
- Measured according to ISO 3741.
Unit: dB(A)
Model
Cooling
CNH09HDB (AC009BNHDCH/AA)
49
CNH 12 HDB (AC0 12 BNHDCH/AA)
CNH 18 HDB (AC0 18 BNHDCH/AA)
2) CNH 12 HDB (AC0 12 BNHDCH/AA)
• NC Curve
1) CNH09HDB (AC009BNHDCH/AA)
3) CNH 18 HDB (AC0 18 BNHDCH/AA) 4 ) CNH 24 HDB (AC0 24 BNHDCH/AA)
CNH 24 HDB (AC0 24 BNHDCH/AA)
50
56
58
70
70
70 70
65
65
65 65
60 NC 70
60
60
NC 70
60
55
NC 60
55
55
NC 60
55
50
NC 55
50
50
NC 55
50
45
NC 50
45
45
NC 50
45
40
NC 45
40
40
NC 45
40
35
NC 40
35
35
NC 40
35
30
NC 35
30
30
NC 35
30
25
NC 30
25
25
NC 30
25
20
NC 25
20
20 20
15
NC 25
15 NC 20
15
NC 20
15
10
NC 15
10
10
NC 15
10
5
5
5 5
0 0
125 250 500 1000 2000 4000 8000 A 0
0
125 250 500 1000 2000 4000 8000 A
Octave Band Center Frequency(Hz)
Octave Band Center Frequency(Hz)
70 70 70 70
65 65 65 65
60
NC 70
60
60
NC 70
60
55
NC 60
55 55
NC 60
55
50
NC 55
50 50
NC 55
50
45
NC 50
45
45
NC 50
45
40
NC 45
40 40
NC 45
40
35
NC 40
35 35
NC 40
35
30
NC 35
30 30
NC 35
30
25
NC 30
25 25
NC 30
25
20
NC 25
20 20
NC 25
20
15
NC 20
15 15
NC 20
15
10
NC 15
10 10
NC 15
10
5 5 5 5
0 0 0 0
125 250 500 1000 2000 4000 8000 A 125 250 500 1000 2000 4000 8000 A
Octave Band Center Frequency(Hz) Octave Band Center Frequency(Hz)
Sound
P
ow
er
Le
ve
l (d
B)
Sound
P
ow
er
Le
ve
l (d
B)
Sound
P
ow
er
Le
ve
l (d
B)
Sound
P
ow
er
Le
ve
l (d
B)