Samsung Slim Duct-CNH LDB Technical Data Book page 50

7 7 . . S S ound D ound Data ata
Duct S
Sound Pressure level
Discharge
Duct
2m
• NC Curve
1) CNH30HDB (AC030BNHDCH/AA)
3) CNH42HDB (AC042BNHDCH/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
Microphone
Model
CNH30HDB (AC030BNHDCH/AA)
CNH36HDB (AC036BNHDCH/AA)
CNH42HDB (AC042BNHDCH/AA)
CNH48HDB (AC048BNHDCH/AA)
2) CNH36HDB (AC036BNHDCH/AA)
4) CNH48HDB (AC048BNHDCH/AA)
Unit: dB(A)
High Mid Low
41 37 33
43 39 35
44 41 38
45 43 41