search for: rotron

...\/ | | /\ | | --+-----+--- ^ ^ baffles spacing between upper and lower baffles must be equal to or larger than diameter of fan so as to not restrict flow. also, making enclosure 2" larger than fan will help reduce restriction. see: http://www.rotron.com/techcorner/acoustic.aspx http://ipnpr.jpl.nasa.gov/progress_report2/42-56/56O.PDF -- The important thing is not to stop questioning. - Albert Einstein CentOS GNU/Linux 6.8 KDE 4.3.4 peace out. tc,hago. g . =+= Tired of having your microsoft os hacked? Change to Linux os, used by mi...

...cable and fan power socket. do not claim to be 'it'. nor do i came dcs, dce. do claim; design ic control systems - 1969, build, maintain, service, s100 micro computers - 1974 so, yes, easy... ;=) if you run a web search for such a 'dongle' available, you should find plenty. rotron.com is down, can not supply url. -- The important thing is not to stop questioning. - Albert Einstein CentOS GNU/Linux 6.8 KDE 4.3.4 peace out. tc,hago. g . =+= Tired of having your microsoft os hacked? Change to Linux os, used by microsoft hackers. =+= If Bill Gates got a dime for every...

On 12/25/2016 09:45 PM, Luigi Rosa wrote: <<>> > The other kind of server is sold both in "tower" and rack form factor; > they are bigger the airflow is forced by bigger fans that can turn to a > lower speed to exchange the heat. > > If the noise is produced by the rack fans, use, as someone else > suggested, variable speed fans regulated by a temperature

Has anyone come across a device that could cancel out the noise from servers, ie. the fan noise? I have a server rack near my office and would like to see if i can decrease the noise level. It would seem to me that the steady drone of the fans could be cancelled out to a large extent.