Tweakers' Asylum

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

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Grounding vs Attenuating

Posted by Inmate51 on March 29, 2017 at 08:45:36:
From the product description, it appears that this material is designed to "block" (actually, "attenuate" is the more accurate term) EM/RF signals, rather than to drain a charge to ground. This is analogous to the perforated screening on the door of a microwave oven, or even the simple screen on a window - in all cases, the goal is to minimize propagation of something either into or out of something else, and is unrelated to grounding.
That's what I gather from the product description, and especially since they list dB of attenuation at various frequencies.
With regard to your experiments, it could well be that you liked the sound with the added EM/RF "hash" - seriously - and preferred it over the sound when the hash was reduced. This is not unexpected. Certain types of distortion are subjectively desirable to many (most?) people, with some people preferring one type and other people preferring another type. This is well-known in the audio arena and is a VERY subjective phenomenon.
:)