Samsung Slim Duct-CNH LDB Technical Data Book page 22

7 7 . . S S ound D ound Data ata
Slim Duct
Sound Pressure level
Discharge
Duct
2m
• NC Curve
1) CNH09LDB(AC009BNLDCH/AA)
3) CNH18LDB(AC018BNLDCH/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
Suction
Duct
2m
1.5m
Microphone
Model
CNH09LDB(AC009BNLDCH/AA)
CNH12LDB(AC012BNLDCH/AA)
CNH18LDB(AC018BNLDCH/AA)
2) CNH12LDB(AC012BNLDCH/AA)
Unit: dB(A)
High Mid Low
33 30 26
34 31 27
35 32 28