-------- In message <CANX10hCEfL7+svnWXrAzddyAt-rVrEKBjYEg=97fn59fozx...@mail.gmail.com> , "Dr. David Kirkby (Kirkby Microwave Ltd)" writes:
>Surely one of the main advantages of the SMPS route is the higher >efficiently means less cooling air is required. That means less noise. Apart from a handfull of watts from the rectifiers, the heat you can avoid with a better power supply is what is dumped into the cooling fins on the back. >I often here of people replacing fans with quiter ones, but I suspect that >all they really do is reduce the airflow. I believe that most of the noise >one hears is the movement of the air. In my case the bearing is worn out and rattles. As far as I can tell it is just a Pabst 80x80x38mm axial fan with 115VAC supply, so this is going to be my attempt at replacing it: http://dk.rs-online.com/web/p/aksiale-blaesere/2119342/ -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.