Heuer Wrote: > Regardless of what the stated power requirements are it is considered > good practice to double it. So a SB3 needs 1.5amps but to run a 1.5a > PSU flat out like that will lead to premature failure through component > stress and the likelyhood that running at the edge of its design spec > will introduce more mains garbage than you were hoping to cure. You > need at least a 3amp PSU or, if you have the space, something even > bigger. > > Bear in mind the new PSU needs to be built to a high specification for > correct smoothing and to ensure you only get a constant 5v out of it > even if the mains goes up and down. Only one I have found that meets my > needs so far is this one: > http://www.lambda-gb.com/uk/range_overviews/range_id19.htm - the HSB 5 > 3.0. You could also go for the 6 amp version if you want overkill. > > I am currently building a PSU using one of these modules - basically a > steel box (to minimise RFI), the module bolted inside and mains in, 5V > cable out. > > About the only improvement I can think of is to find a similar unit > with a toroidal transformer rather than a frame one as this will reduce > RFI dramatically. As yet I have not found one at a reasonable price.
And, after all that, how much of a difference in sound quality is there? I'm especially interested to know how the power supply influences the digital output? Could someone please explain why, in theory, a better power supply makes any difference through the digital output? -- ezkcdude ------------------------------------------------------------------------ ezkcdude's Profile: http://forums.slimdevices.com/member.php?userid=2545 View this thread: http://forums.slimdevices.com/showthread.php?t=18491 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
