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Speaker Spikes - Working Principle

Vibration damping obvious makes sense (in speakers just as well as in cars). 

That involves 'killing' (converting into heat, through typically internal friction) kinetic energy. So any sort of elastic material (rubber has lots of internal friction) makes sense. 

And then there are spikes. Using a pointy hard object and pair it with a softer, elastic material (to deform, and kill kinetic energy) can work; think metal sharp spike into carpet or wood floor. 

But what is the idea behind pairing fairly unelastic metal (brass for example) with similarly unelastic (brass, stone, etc) material (example photo provided)? Only thing I can come up with: LOOKS good and makes owner feel good  thinking its an improvement (works only for Audiophiles though),

Even more curious: are they ENGINEERED "spikes" (vibration dampers or shock absorbers) for speakers that are TUNED for the frequency (and mass)  that needs to be dampened? Can piston style fluid dampers be designed for the high frequencies (100, 1000, 10000 Hz) using geometry, nozzles size and viscosity of the fluid?

 

kraftwerkturbo

Showing 1 response by pwerahera

pwerahera
107 posts
 

I am having second thoughts about replacing carpets with hard wood floor in my listening area after reading this thread and one other thread where low rumbles are a major problems and headaches. My wife wants to replace carpet with hardwood flooring including my listening area. To date, I had no issues from floor reflections to unwanted vibration creeping in to my audio signal path whether I played LPs or CDs. My Thiel 3.6s are on factory provided carpet piercing spikes and my TT stand also have spikes and anchored to the floor board.

I feel like 2024 is going to give me headaches we replace the carpets. I am planning to use a rug between speakers and my listening position to control floor reflections. But now I see another whole set of problems are going to creep up on me (LOL).

Wish you all Happy New Year!

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