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

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Resonance tuning

Posted by cdc (A) on May 21, 2007 at 16:22:50

In Reply to: What would U guys suggest.............. posted by kenster on May 21, 2007 at 04:44:07:

If you like your system the way it is except you want to tune it for a bit of this or that (like, "warmth" or maybe "wetness" from a slightly dry sounding system"), use exotic wood. I have been lately doing alot of experimenting with exotic woods within my system. Absolutely excellent for tuning any system, component, speaker, cabling, etc. Extremely effective.

If you are not familar with resonance tuning, look at Vansevers paper called, "Art & Science of Audio Tweaking". This is a downloadable .pdf file located here: http://www.vansevers.com/pdf.html

IMHO, Vansevers is spot on. The key is to understanding resonances, how they effect the sonics and your system as a whole. I am still experimenting. You can literally change the entire voicing and presentation of your system, or just tweak it a little. What kind of warmth, like midrange warmth? Try two small (like 1"w x 1"h x 1.5"l) pieces of Purple heart wood. Experiment with the wood "on top" of your source component first, then pre-amp, then speakers. Purple heart, cocobolo and blood wood is what I would try first. Squares, triangles, pyramids and different other shapes all sound a tad different. Although the resonance/sonic properties stay constant and will be imparted to the resonance frequency of whatever part of your system they come into contact with. The change can be subtle (good or bad) to dramatic. Then if the change is good, the change still can be tweaked...:o) Very cool!

Good luck and have fun...Chris

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