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

RE: My Adventures with Ferrite Clamps

"music just sounded flatter with them on, much more so on the amps, as the Romex effect was more subtle"

That makes sense to me, especially if you are using unbalanced interconnects because some of the line-level signal return current may be flowing on the ground wire with HF stuff even parasitically on the hot and neutral.

But, if the Romex feeds the whole system and there are no other grounds then there shouldn't be any common mode signal current through it so you'd think it wouldn't affect the audio.

Out of curiosity you might try them on your speaker cables at the power amp. The cables make grand antennas and the speakers are nicely isolated so the signal is soundly differential mode. It's amazing what you can discover about a black box this sort of method and it's first approach used by EMC engineers to get a feel for what's happening and where.

Rick


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