<p>Some stereo equipment have connectors for optional external power supplies featuring big transformers and lots of capacitors. Are they worth it or just a bunch of fluff?</p>

Some stereo equipment have connectors for optional external power supplies featuring big transformers and lots of capacitors. Are they worth it or just a bunch of fluff?

Do external power supplies have merit?

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Do external power supplies have merit?

Do external power supplies have merit?