subspikes?
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Anonymous
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Anonymous
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Is it a good idea to put spikes under a sub to get some clearance from the floor? In my case I put 4 golf balls!!
What do you think?
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Re: subspikes?
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Joined: Mar 2002
Posts: 3,749 Likes: 37
connoisseur
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connoisseur
Joined: Mar 2002
Posts: 3,749 Likes: 37 |
Hello Mr. Happy
I think the idea behind mounting speakers on spikes is to transmit vibrations from the enclosing structure into the floor. Although golf balls will elevate your sub above the carpet or floor, I don't think they will serve to transmit any forces from the speaker. Seems to me that because the golf ball is somewhat elastic (90 or 100 compression?) and provides equal surface contact area at both ends, they will simply serve to get your sub vibrating worse than it would if it just sat on the floor. Of course spikes will certainly make little holes in your carpet.
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
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Re: subspikes?
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Joined: Apr 2002
Posts: 18
frequent flier
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frequent flier
Joined: Apr 2002
Posts: 18 |
I thought the concept of spike-mounting was to MINIMIZE contact between speaker and sub-surface; and therefore MINIMIZE vibration from dissipating into and resonating through the floor. Am I missing something?
I think golf balls would fundamentally serve the same purpose (less contact between enclosure and floor = less vibration transferred to the floor) but have no experience to speak of with regard to its actual use. I would hope your floor is relatively flat, lest you find your sub "rolling" around the fairways of your home theater room.
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Re: subspikes?
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Joined: Mar 2002
Posts: 3,749 Likes: 37
connoisseur
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connoisseur
Joined: Mar 2002
Posts: 3,749 Likes: 37 |
Yes, I've heard of that. It can be devastating to a family, especially if one of those big, 15"-20" downward firing subs gets up a head of steam before mowing through your home theater room. Be careful out there friends!
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
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Re: subspikes?
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
Posts: 3,270 |
Hello,
The original theory behind "spiking" a speaker, which I believe first came to prominence a decade or so ago in some high-end British magazines, was quite wonky and seemed to contradict basic laws of physics. I won't elaborate because those theories were not credible or supported by any scientific evidence.
Just looking at the laws of physics, if there's less contact area between the subwoofer and the floor--the natural result of supporting a subwoofer or speaker on the pointed tips of spikes--then there will be less transmission of mechanical vibration from the speaker enclosure to the floor. Now, if you're in an apartment and want to prevent floor-conducted vibration from annoying the tenants who live beneath, this is entirely sensible.
On the other hand, if you live in an older house or apartment with wooden floors with no-one living below you, you may enjoy the floor-conducted vibrations that deep bass generates and transmits to the floor in a speaker without spikes. Certainly these floor-conducted vibrations are a natural part of many acoustic experiences, whether in concert halls with wooden floors, in churches, or in dance and music clubs.
Assuming the goal of high fidelity--with emphasis on the "fidelity"--is reproduction of the original experience or a believable semblance of it, then there's a powerful case to be made for using speakers that connect to the floor without spikes. For that reason, I don't use them. Then again, the only thing to annoy one story down from my apartment is the building's boiler!
Practically speaking, spikes are useful on carpeted floors to firmly anchor tall, tippy speakers to the solid floor beneath the carpet.
Regards,
Alan Lofft, Axiom Resident Expert (Retired)
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