Samsung CNH HDB Series Technical Data Book page 23

7. Sound Data 7. Sound Data
Wind-Free 4Way Cassette
Sound Pressure level
• NC Curve
1) CNH184DB (AC018BN4DCH/AA)
3) CNH304DB (AC030BN4DCH/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
CNH184DB (AC018BN4DCH/AA)
CNH244DB (AC024BN4DCH/AA)
CNH304DB (AC030BN4DCH/AA)
CNH364DB (AC036BN4DCH/AA)
2) CNH244DB (AC024BN4DCH/AA)
4) CNH364DB (AC036BN4DCH/AA)
Unit: dB(A)
High Mid Low
36 33
30
36 33 30
37 34 30
43 38 33