7. Sound Data7. Sound Data
Sound Pressure level
Unit: dB(A)
1.5m
Microphone
2) CNH244DB (AC024BN4DCH/AA)
• NC Curve
1) CNH184DB (AC018BN4DCH/AA)
3) CNH304DB (AC030BN4DCH/AA) 4) CNH364DB (AC036BN4DCH/AA)
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
Model
High Mid
CNH184DB (AC018BN4DCH/AA) 36 33
CNH244DB (AC024BN4DCH/AA) 36
33
CNH304DB (AC030BN4DCH/AA)
37 34
Low
30
30
30
CNH364DB (AC036BN4DCH/AA)
43 38 33
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