And don’t forget how cheap spikes are to make. I replaced mine with the Isoacoustics Gaia 1’s and there was a large and immediate change. The current price is $500 for a set, a heck of a lot more than a set of spikes!
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?
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Another misconception: "depends on the spring rate and the mass": that is called a SWINGER for good reason. at resonance frequency, amplitude will be infinite. Try driving your car with spring only. That is were the DAMPER comes in. Now you have a system of spring, damper and mass, and can be tuned to KILL vibrations. This has NOTHING to do with the vibrations the emitted sound is producing ('will vibrate even if suspend the speaker in the air'). It has to do with the vibration the mass off the speaker is COUPLING to the floor (not those of the soundwave).
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@yoyoyaya Spikes as level and holding device: no issue. But piece of sticky felt, folded paper (to level), stick on rubber would do the trick without punching holes in the carpet or floor, and complicated designs. Spikes have become another 'pixel dust' for audiphiles (considering that people spend $100 or more for some). Un |
You are right ... This is why to a damping tuned heavy load on top of the speakers and to a complex sandwich of materials under the speakers ( oak plate-sorbothane-granite plate-shungite plate-bamboo plate-cork plate) i add a set of 4 springs UNDER the damping load +the speaker weight , and to this i add a new set of springs ABOVE the speakers and under the damping load... The two sets of springs then differently tuned by different compressive force by the difference of mass decreased resonance and improved a lot compared to a singular springs set under the speakers withoyut any coupling/$decoupling sandwich, without damping load and without another sets of springs compressed above the speakers by the load only ..... It is not doable in living room with children... Esthetic and stability problem ... Only a a dedicated room ... But at peanuts costs it was efficient for S.Q. a lot ...People underestimate resonance/vibrations problem , even the speakers designers...What they can do at low coast that will not appear unesthetical ?
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less of course. they become ART: - 91 posts total