[Eeyore]

Mark wrote:

How much noise will three 8dB(A) fans make?

Any idea?


8dBA is very low

3 of them will increase by:

10*log(3) = 4.8 dB
20*log(3) = 9.5 dB

The INCREASE will be between 4.8 dB and 9.5 dB depending upon a lot of
variables.

They're not pure tones.

They WILL NOT add like that.

Graham