Samsung DVM S AM100MXVDGH/ET Technical Data Book page 32

7. Sound Data
Sound Pressure level
Microphone
• NR Curve
1) AM180MXVDGH/ET
AM180MXVDGH/ET
90
85
80
75
70
Cooling
65
60
Silent 1
55
Silent 2
50
Silent 3
45
40
35
30
25
20
Hearing
15
threshold
10
5
0
63 125
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
32
1m
1.5m
Front
250 500 1000 2000 4000
Octave Band Center Frequency(Hz)
Model
AM180MXVDGH/ET
90
85
NR 90
80
NR 85
75
NR 80
70
NR 75
65
NR 70
60
NR 65
55
NR 60
50
NR 55
45
NR 50
40
NR 45
35
NR 40
30
NR 35
25
NR 30
20
NR 25
15
NR 20
10
NR 15
5
0
8000
Cooling Silent 1 Silent 2 Silent 3
64 59 56
Unit: dB(A)
49