Do you know why the output transistors are bolted to that big piece of aluminum that makes up the chassis of the power supply? That is done to cool the output devices. Do you know how it cools them? It cools them by transfering the heat to the surrounding air. Do you know what happens if you put the supply inside a box? You will heat the air inside the box. Do you know what will happen if the air gets too warm? Your power supply will die.
Those supplies are usually installed in equipment that has some air space and fans to move cool air through the cabinet. Unless your installation is that type, you should bolt the smooth side of the supply chassis to your aluminum box (without standoffs!) to transfer the heat out of the supply to your room air. If you must use a power supply that requires fan cooling, try using a 220VAC fan running on 117VAC (or a 12VDC fan running at 6-8VDC). It will turn slowly and quietly and should provide sufficent air motion to keep a small power supply cool. On yes, just as your box needs to allow the heat to escape to the outside world, the fan needs to blow air THROUGH the box. That means you must provide holes to allow air flow. Once you install a fan you will have all the audio maniac questions about vibration, power line noise, and varying magnetic fields from the fan motor and how they will all affect your sound. You see, you can't win no matter what you do. TD -- tyler_durden ------------------------------------------------------------------------ tyler_durden's Profile: http://forums.slimdevices.com/member.php?userid=2701 View this thread: http://forums.slimdevices.com/showthread.php?t=21505 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
