Damping to exitation of parasitic modes of


What is the best material to use as a substrate for making Isolation plinths/platforms, for damping the excitation of parasitic modes of vibration as well as HF resonance? That looks cosmetically appealing as well?
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Showing 12 responses by jollygreenaudiophile2

I've tryed using sorbothane but have had problems with the substance degrading. It also ruins wood finishes!
So Jeff, your saying you believe in "Sympathetic Vibration" and "Compassionate Resonance"? I'm unsure about the resonance and have found no way as of yet to prove anything positive about those vibrations.
   Clue me in.
    As far as the Sorbothane goes you may have used too much in mass of the wrong durometer. I've also had problems with it not loading to spec. Besides that, It smells funny.
And yeah I've been experimenting with the constrained layer damping since before it was given that monicker I believe. It's one piece of the puzzle. No more, No less.
    I quit solving for "X" as an absolute a long time ago. Everything has it's place up to a point.
I've found using differing materials in cascading layers "For different Freqs" I start at about 10k and work down. It more easily defines problem area's by isolating migratory vibration but there are still area's of regeneration. I think fields are interacting and may be performing as a type of wave generator. Juries still out on that one. Coincidental entrapment seems to work very well though. You simply have to make the law of averages work for you by trimming the variables with the cascading layers actively as well as passively damping plus transduction "several types". To the point where the deck is basically stacked in your favor.     Have you ever tryed introducing disruptive pulse voltages at very low freqs'?  This seems to help with sensing also below 6 htz.
Um, ok. I do believe you are correct Sir. But that's not the use of the verb in the context in which it was meant. At least it fits my thoughts on the matter much better than -
 "Complimentary Vibration" which is as nonsensical to me as it is indeed logical. The misnomers abide me not well tonight.
Jeff, the entire Shun Mook "thing" is beyond me. I've never been one to cry "shenanigan's" to what another swears by because I've experienced too many as of yet, unresolved occurences myself. Yet if it was truly that much an epiphany, would not they at least be available with an money back guarantee?    Are we sure "Shun Mook" isn't Swahili for 'Purveyor of fine snake oils? Hmmm. shall I alert the "shenanigan's" armed response unit/ bobsled team?! And why aren't we all growing Mpingo tree's in our basements under immense high pressure sodium lighting as an erstwhile yet felonious endeavor?



Ok, If you can tell me these things dont have a half-life of 3 months I'll probably bite. So whatever this is works in conjunction with a variable density medium, is very small, and passive, hmm. Battery operated? Very small field generator? So Shun Mook 'IS" from the 9th dimension which evolves through the center "Torus" per string theory! Ok where do I pick mine up? Or do they simply appear, but only for us whom are enlightened? Is there a currency exchange involved? I still believe in the barter system. Here, hold this duck whist I..........
                 But seriously folks, Can I buy used? Scratch and dent clearance?
I Have never heard anything negative about Shun Mook, so there "should" be something to it. At least I hope so if he's getting my ducky!
Ha ha ha, I mean't negative in the context of ; " That cannot, will not work nor have any realized effect at all because it's not in the book and teacher has not mentioned it."
    Old saying; Those whom cannot do, teach.