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isolating the speakers from their shelves

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  #1  
Old 15th June 2012, 09:32 AM
 
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isolating the speakers from their shelves


Hi,

finally Krishpiscean's PM6004 arrived and I set them up with the EVO-8 bought from Denzong...but...having huge vibrations from the shelf the speakers are kept in as you can see in the picture. The shelf is extremely sturdy and completely fixed onto the wall so that is not going to be a problem...require some ideas on how to isolate them..

My considerations when choosing a isolator would be:
1. I don't want to deface the beautiful Evo...so don't want to drill or stick glue on them
2. I guess spikes would be a good idea as they are clamped onto the speakers rather than screwed, but they will scratch the shelf when the speakers are pushed to clean the shelf...so need some way out of there..

and finally i have no idea where to buy them in mumbai...so some help there also please, i don't mind buying online but they will take time to reach, i will rather buy them over the weekend if possible..
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Old 15th June 2012, 10:29 AM
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Re: isolating the speakers from their shelves

I suggest place a cork sheet below the speakers. This would take care of the vibration. In Addition, you can place a MDF piece over the cork sheet and stick the speakers on them using double sided tape like 3M or blu tack putty or something similar (I know you said no to gluing but I still feel the tape thing would be a good idea ).

BTW, don't you think the speakers are placed a bit too high for proper listening?
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Old 15th June 2012, 10:34 AM
 
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Re: isolating the speakers from their shelves

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Originally Posted by soulforged View Post
I suggest place a cork sheet below the speakers. This would take care of the vibration. In Addition, you can place a MDF piece over the cork sheet and stick the speakers on them using double sided tape like 3M or blu tack putty or something similar (I know you said no to gluing but I still feel the tape thing would be a good idea ).

BTW, don't you think the speakers are placed a bit too high for proper listening?
all greek and latin to me soulforged...any idea where can i go to buy them where the shopowner also will not look at me blankly?

yeah i know about the height, but this is my bedroom setup, there had to be compromises as keeping them on the floor would have crowded out the room, these are quite high...the shelf is about 6.5 feet off the floor...
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Old 15th June 2012, 12:06 PM
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Re: isolating the speakers from their shelves

Check with a local carpenter or hardware store, you should be able to get some leads on where to get cork sheet from. If it becomes an issue, I can try to get some shipped to you from here in Bangalore
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Old 15th June 2012, 12:54 PM
 
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Re: isolating the speakers from their shelves

A good idea is to put mouse pads! yes, the ones which have cloth-type rough but cushioned surface. Not the plastic surface kind.

Any neoprene semi-flexible rubber mats will also works... visit your local hardware or home decor store.
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Old 15th June 2012, 01:31 PM
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Re: isolating the speakers from their shelves

Isolating speakers with sound deadening material like Cork, Neoprene etc may help in reducing vibrations but would also result in reducing the LFE and bass quality. The only way to get optimum SQ from bookshelf speakers is to place them on a stand thereby enabling proper transfer of vibrations onto the ground.
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Old 15th June 2012, 02:13 PM
 
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Re: isolating the speakers from their shelves

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Originally Posted by captrajesh View Post
Isolating speakers with sound deadening material like Cork, Neoprene etc may help in reducing vibrations but would also result in reducing the LFE and bass quality. The only way to get optimum SQ from bookshelf speakers is to place them on a stand thereby enabling proper transfer of vibrations onto the ground.
As I mentioned in my post capt placing them on stands will just not be possible in this setup, there is just not enough space..So I will have to live with certain compromises in this setup...will do whatever is the best possible way to isolate given the situation..Since you are advocating against the sound deadening materials, will spikes be a better solution?
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Old 15th June 2012, 02:44 PM
 
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Re: isolating the speakers from their shelves

You can also try using some BluTack under the speakers. Make 4 footers using BluTack and fix the speakers to the shelf using the footers. I'm not 100% sure if it will work, but it theoretically should. And it will cost less than 75/- to try

If you prefer to use spikes, you can buy them from soundfoundations.in ("Magma" on this forum). He's based in Mumbai, so you might be able to pick them up from him directly/quickly.
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Old 15th June 2012, 04:39 PM
 
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Re: isolating the speakers from their shelves

Auralex SpeakerDude HD Speaker Isolation Platforms | eBay

or

Amazon.com: 1.5" Sorbothane Hemisphere Rubber Bumper Non-Skid Feet with Adhesive 50 Durometer - 4-Pack: Home Improvement (these need to be stuck to the speaker)

I have bought both and have used the speakerdudes. Don't remember noticing any difference, probably because my speakers were already on stands with a lot of breathing space. Another nice thing about it that it has a 4 degree tilt which you can use to point the speakers wither up or down.
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Old 15th June 2012, 08:40 PM
 
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Re: isolating the speakers from their shelves

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Originally Posted by thatguy View Post
Auralex SpeakerDude HD Speaker Isolation Platforms | eBay

or

Amazon.com: 1.5" Sorbothane Hemisphere Rubber Bumper Non-Skid Feet with Adhesive 50 Durometer - 4-Pack: Home Improvement (these need to be stuck to the speaker)

I have bought both and have used the speakerdudes. Don't remember noticing any difference, probably because my speakers were already on stands with a lot of breathing space. Another nice thing about it that it has a 4 degree tilt which you can use to point the speakers wither up or down.
The auralex speakerdude looks promising from multiple angles....but too expensive...I have to find a cheaper solution to the problem...


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