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RME: you talking about running DC power in along side AC power in? Like inside a cord? => not a good idea. will cause excessive noise. You have to seperate and shield the DC lines from the AC lines, otherwise noise on the AC line will couple to the DC.
Would someone with the Hosfelt supply please, please try flipping the unpolarized AC plug and reporting any subjective differences? [it was I who originally suggested (I'm 'pmkap' on the Asylum) the Atari supply from Hosfelt for the DI/O and was amazed by the difference that the plug orientation made]
Angelo - Very nice! Star ground and all. I assume that blue box is a cap bypassing the resistor to ground from the adj pin per fig 3 of the National pdf?
Josh,What kind of a turntable is that on your avatar?Davey.
5 VDC @ 1.5 AMP Regulated $US 6.95 Mfg. # - 7202C-35-13/16" x 2-1/2" x 2-7/8" Input: 117 VAC, 60 HzOutput: 5 VDC @ 1.5 amp. The enclosure andcords are black. Regulated and filtered.
With regards to output cable length - the shorter the better with regards to voltage regulation and noise, but this must be balanced against the fact that the minimal noise passing EI split bobbin transformer emits a greater magnetic field than an otherwise pos toroid. A foot should be fine, but its not enough of an issue that you should alienate your SO over it, or compromise your aesthetic sensibilities. Make it long enough so that it can be positioned so that it isn't obtrusive.