7. Sound Data
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
Sound Pressure level
Unit: dB(A)
Microphone
Front
1m
1.5m
Model
Cooling
Silent 1 Silent 2 Silent 3
AM072BXVG
J
H
/AA
AM096BXVG
J
H
/AA
AM120BXVG
J
H
/AA
54
52
5
1
49
57
56
5
4
49
57
56
5
4
49
AM144BXVG
J
H
/AA
6
0
56
5
4
49
Heating
58
59
60
63
3)
AM120BXVG
J
H
/AA
• NC Curve
1)
AM072BXVG
J
H
/AA
4)
AM144BXVG
J
H
/AA
2)
AM096BXVG
J
H
/AA
NC 75
Cooling
NC 70
Silent 1
Silent 2
NC 60
Silent 3
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30
NC 25
Hearing
threshold
NC 20
NC 15
Sound Pressure Level (dB)
Octave Band Center Frequency(Hz)
NC 75
Cooling
NC 70
Silent 1
Silent 2
NC 60
Silent 3
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30
NC 25
Hearing
threshold
NC 20
NC 15
Sound Pressure Level (dB)
Octave Band Center Frequency(Hz)
NC 75
Cooling
NC 70
Silent 1
Silent 2
NC 60
Silent 3
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30
NC 25
Hearing
threshold
NC 20
NC 15
Sound Pressure
Level
(dB)
Octave Band Center Frequency(Hz)
NC 75
Cooling
NC 70
Silent 1
Silent 2
NC 60
Silent 3
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30
NC 25
Hearing
threshold
NC 20
NC 15
Sound Pressure Level (dB)
Octave Band Center Frequency(Hz)
Heating
Heating
Heating
Heating