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7. Sound Data
Wind-Free 4Way Cassette
Sound Pressure level
• NC Curve
5) CNH424DB (AC042BN4DCH/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
1.5m
Microphone
Model
CNH424DB (AC042BN4DCH/AA)
CNH484DB (AC048BN4DCH/AA)
6) CNH484DB (AC048BN4DCH/AA)
Unit: dB(A)
High
Mid
Low
44
40
34
45
40
35
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