On Mon, Sep 14, 2009 at 11:32 AM, John Carter <[email protected]> wrote: > On Mon, 14 Sep 2009, Nick Rout wrote: > >> * Min supply rating: 1000mA >> >> http://www.logitechsqueezebox.com/products/squeezebox-classic.html#tab2 >> >> The old broken one says 2000 mA (or 2A) but the specs say only 1000mA >> is needed. It also has a symbol with two horizontal lines, the top one >> is continuous and the bottom is broken, like this: > > I have a really vague and old memory of putting a oscilloscope on the > output of something like this. (just mucking around as you do.) > > Far from the rated spec it was smooth and flat. The nearer to the > rated spec the bumpier/noisier it became. > > ie. If you like your music without 50/100Hz "buzz", it may be better to > go overspec, rather than bang on spec, for the output current rating.
Good point which I suppose explains why the supplied one is rated double the minimum... Anyone know where to find a higher rated switchmode 5v ower supply?
