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

You may have RF pollution from the AQ shield.

The shield can act as an RF resonator if there are no damping materials present. It is likely connected directly to audio ground at one end.

I'd try putting some Power Wraps on the ICs. Counter-wrap them with Teflon thread-seal tape to dampen their acoustic resonances.


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