Quote:
Originally Posted by magical_mouse 
Hi i am trying to source a better psu as the one that comes with the onkyo (apparently) radiates rfi.
I am not sure exactly what i want (UK location) or where to locate it.
Any help appreciated.
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Hi magical_mouse,
Look for a "linear regulated" power supply that outputs 5Vdc and at least 1 amp. Make sure it is not a switch-mode power supply (SMPS), which is what comes with the Onkyo.
A 5V linear regulated supply that outputs at least 1 Amp is going to be much heavier than a SMPS, and in general, they don't accept universal input voltage (e.g. 100 - 240Vac) like a SMPS does.
You also want the output plug of the power supply to be a 5.5mm/2.1mm dc barrel plug with the center conductor (the 2.1mm) as the POSITIVE (+) output.
If you do a search on the UK forums for something like "upgraded power supplies for the Sqeezebox 2 or Squeezebox 3", you should find links to power supplies that will do the trick for the Onkyo ND-S1. The SB2/SB3 also takes a 5Vdc input, with a 5.5mm/2.1mm plug (center pin +) and requires at least 1 amp.
If the power supply says 5Vdc output and power output of 5watts (5W), then this means it outputs up to 1 Amp. Power = Voltage x Current (5 Watts = 5Vdc x 1 Amp).
I hope this helps, and good luck with the hunt!
Vinnie