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how loud?

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Pat

Member
Joined
Jan 22, 2001
Location
Near St. Louis
Usuallyanything under 30Db is quiet. The smaller the fan could make more Db level than a larger one. Getting a true reading from the manufactor is also difficult.

Pat
 

Neco

Member
Joined
Nov 17, 2001
Location
Waterloo, Wisconsin, USA
Myself, I would be interested in the noise level while attached to the desired equipment.


I have a radioshack fan that is something like 65 or 85 CFM @ 12 volts.

oh it's pretty quiet pushing open air, but even when it's down to 7volts it's just about the loudest part on my machine.


I gotta get new fans dangit
 

LiGhTBoY

Member
Joined
Feb 2, 2002
Let me go get my Physics book :burn:

well here we go :
(all values are in dB)

140 - jet aircraft taking off at 30m
120 - disco loudspeaker at 2m
100 - pneumatic road drill at 4m
90 - Heavy lorry passing at 4m
80 - door slamming at 2m
70 - vacuum cleaner at 2m
60 - normal conversation
40 - background noise at home
20 - whisper
0 - threshold of hearing sound just audible