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Ceiling Exhaust Fan -How loud is .5 sones?

Can any1 please provide an example of how loud would .3 to .5 sones be?
Could it be equivalent with the machanism of a noisy cheapo DVD player?
*Please focus on sones (sound level?) and not going off topic such my room size, cfm, wattage, or other options like open the windows, adding AC lines or a return line, etc. Thanks
Panasonic has few of them that can generate .3 to .5 sones: http://www.rewci.com/panfv05.html
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Showing 1 response by wavetrader

wavetrader
260 posts
 
Here's some info....

http://www.sengpielaudio.com/calculatorSonephon.htm

I run a whisper fan that is rated at about 30db,too lound. So I have reduced the fan speed in half and sitting 4ft away i can barely hear it.

If I read the graphs right .5 sone = 30 phons which in db level would be about 30db. I think you need to put a potentionmeter on this fan and reduce the speed in half.
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