Tweakers' Asylum

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

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RE: Material

Posted by unclestu on August 15, 2011 at 16:19:36:
All material, natural or not have a resonance frequency, that is the nature of the material world. Drop an aluminum pot cover: compare the sound to a brass plate, or to a stainless steel plate: they all sound different. Different woods themselves sound different as musical instrument makers will well attest.

Rick M has the correct interpretation. Different metals have different electrical properties and that of course affects the circuits adjacent to the casework. Woods have the least effect electrically. In my experimentation, and judging from the the work of the original Klyne preamps, a plexiglass cover is far preferable than a metal cover. The covers effectively create a large ground plane and the resulting capacitance rolls off the extreme highs. replacing the top and bottom covers of my CJ preamps was a revelation: not only more extension in the highs, but better detail and greater microdynamics.

Stu