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Why/how do better power supplies benefit audio gear?

I bought a used Elpac power supply to use with my Squeezebox since it's linear supply is supposedly better than the factory supplied switching power supply (note I don't know what the difference between switching and linear supplies are so don't know about advantages or disadvantages of each). I can't try it yet b/c I have the plug reterminated to fit the Squeezebox.

Each can deliver what is needed in terms of volts and amps, so why is the linear supply supposedly better? IOW - How can it improve the sound quality of the device it is powering? Does the linear supply inject less (or none) noise into the component (or other components via back feeding)? Can I liken this to amplifier power in terms of RMS vs. peak power? Is the switching supply likely to not be able to deliver a constant voltage and amprege while the linear supply can? Would appreciate a simple laymens explanation. Thanks!



marc g. - audiophile by day, music lover by night


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Topic - Why/how do better power supplies benefit audio gear? - marc g. 14:09:55 05/14/07 (3)

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