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Regarding resonance

Posted by unclestu (D) on January 11, 2015 at 10:56:19

In Reply to: RE: home grown PHT posted by unclestu on January 9, 2015 at 20:02:30:

Its extremely amusing to read about Tre "quoting" science. I pointed out the laws of thermodynamics which have been modified by the Theory of relativity, but the original Newtonian version pretty much applies for most everyday usage.


Again a corollary of the laws is that energy can NOT be created nor destroyed: we can merely transform that energy. In my thinking and of course you are welcome to disagree, why not harness that energy into a more productive form.

The dogmatic assertion of Tre has many obvious fallacies. Adding a guitar to a listening room makes the sound "boxy", he claims.

I doubt it, because it has not been my experience,but for now let us assume what he says is true.

Now take a performing orchestra. Lots of You tube videos for verification here. There are long stretches, often many measures where the percussion are often not playin. No bass drum, tympani, or snares and yet they are out on stage. Does the sound of the orchestra turn boxy? Often times the string section is similarly quiet. I do not hear any suffering o sound of the playing instruments when this occurs.

Then consider the frequent use of risers and even the podium of the conductor. Talk about a musical resonances !!!!! All this would discredit the statement of Tre.

But never mind live music: take your typical soundroom. Your wall resonate, as well as your windows. So does your coffee table and other pieces of furniture. US military aligns their gyroscopes on a 10 foot cube of concrete buried in the ground and not making contact with any of the flooring because buildings resonate. With all this resonance, you feel that a simply guitar in the room is that detrimental?

My guess is that even in the studios you claim to have designed, resonances abound. Equipment chassis, transformers all add resonance, and in ways probably more insidious than a guitar in a room.

Then in the audio world, I wonder why Koetsu makes a Rosewood body cartridge, oh yeah and so does Benz, Grado, and many others. Hmmm IIRC Grado even uses mahogany on their top of the line headphones, and you know they are not the only ones to do so. The large number of speaker cabinets still employ rather resonant wood based cabinets ( yet there are a few carbon fiber and metal, and even glass ones). I'll put down any amount you want and bet that an accelerometer on the cabinets made from any of these materials will show resonance.

Elimination of resonance, for the most part is an audiophile myth, IMHO. I firmly believe better productivity and sound can be achieved by channeling unwanted resonance into more benign and enjoyable forms.

You are welcome to disagree. But please do not quot science without specifically making precise references to the laws of science you allude to.

Remember before Galileo, it was simply common sense that a heavier object fell faster than a lighter one...

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