Samsung AC009BNNDCH/AA Technical Data Book page 21

Wind-free 4way cassette for america (r410a, hp)

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7. Sound Data

Wind-Free 4Way Cassette (600x600)

Sound Pressure level

• NC Curve

1) CNH09NDB(AC009BNNDCH/AA)

3) CNH18NDB(AC018BNNDCH/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

CNH09NDB(AC009BNNDCH/AA)

CNH12NDB(AC012BNNDCH/AA)

CNH18NDB(AC018BNNDCH/AA)

2) CNH12NDB(AC012BNNDCH/AA)

Unit: dB(A)

High

Mid

Low