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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: jea48 DC on the line to isolation transformer causing hum?

That seems like a brilliant solution, jea48. The same notion as implementing any kind of AC power line filter effort firstly on the noisy appliance rather than only trying to block audible noise just before the sensitive component involved. Sometimes, audiophile filtering can be effective at both ends of the situation. I'm not an EE, so maybe Jon Risch could post his insights.

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