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