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How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-07-2007, 09:51 PM   #1
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How to Lessen Transmission of bass from my Sub-woofer to apt below

New people moved in below and I would like to isolate my sub-woofer from their space; ideally without dampening it too much.

Right now it sits on the carpet. Would it help to set it on a couple of garden pavers?

Thanks,

Ha

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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-07-2007, 10:03 PM   #2
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Quote:
Originally Posted by HaHa

Would it help to set it on a couple of garden pavers?
Yes, but only if you keep it moist and fertilize every other week.

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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-07-2007, 10:03 PM   #3
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Low frequency is going to penetrate...

I used to have a couple of wood stands with big thick rubber feet that also tipped the speakers 'up' a little in the front.

Bass is pretty omnidirectional though...not sure anything will do more than the carpets already doing.
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-07-2007, 11:20 PM   #4
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Quote:
Originally Posted by HaHa
New people moved in below and I would like to isolate my sub-woofer from their space; ideally without dampening it too much.

Right now it sits on the carpet. Would it help to set it on a couple of garden pavers?

Thanks,

Ha

That's a tough one, Ha. Sub-woofers tend to work by turning your entire structure into a low frequency speaker. If you succede in reducing how much energy they transmit into your floors and walls, you will also reduce the listening experience.

Anything that you can put between the sub-woofer and the floors/walls that will absorb low frequency energy will reduce the impact on your neighbors, but it will also reduce the amount of sub-woofer audio.
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 02:51 AM   #5
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Thanks guys, I was afraid this is how it would work.

Ha
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 07:03 AM   #6
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

There is a sound deadening material you can put under the sub woofer that may help. It is sold by home sound proofing companies.

I think I have a e mail about it in my Netscape mail - but I can not get into it!
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 07:13 AM   #7
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

You should first raise your speakers off the floor as high as practical. The more space separation the better! A barrier material like MLV (Mass Loaded Vinyl) would be helpful, but it would depend on the width and breath of the area to be covered as the speakers will broadcast over a wide area of floor at higher sound levels.

Info on MLV is at http://www.soundproofing.org/infopages/flooring.htm
Our sales dept will be closed for Xmas week, call after the 1st Of January fro more info on this.

BJ Nash
Super Soundproofing Co
www.soundproofing.org
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 08:15 AM   #8
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

That really is a hard problem. As far as I know, you need a lot of mass to reflect the bass back into your room instead of letting it pass through the floor. (e.g. A concrete apartment building will have a lot better isolation between the units than one made of joists and particleboard.)

I kind of like the garden pavers idea. Maybe with a thick pad between the pavers and the floor, so the sound can reflect off the pavers, but the vibrations in the pavers don't couple through to the floor?
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 08:25 AM   #9
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

He'd have to line the whole apartment with pavers...LF and ULF are quite penetrating.

Ha...your best bet might be to put the subwoofer as close to you as possible, and as far away from any walls. If its closer to you, you can turn down the output to it and still get some boomys.

Subwoofer coffee table? Subwoofer hassock?

Or go with this during early/late hour listening situations...
http://www.amazon.com/Skullcandy-SCS.../dp/B00093DA2I
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 09:36 AM   #10
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

would throwing a garden paver at that sub woofing rattled car next to me at the red light reduce the vibrations any?
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 10:07 AM   #11
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Might produce some 9mm vibrations, but other than that, should work.
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-08-2007, 10:21 AM   #12
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Ha,

There should be two wires on the rear of the speaker. Here's what you do. Carefully remove both wires from the speaker and place them on the floor. Now test the bass transmissivity of your speaker - should be much lower now. Hope that helps!
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-09-2007, 10:25 PM   #13
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

My son is an audio engineer so I asked him about this.

Move the subwoofer away from the walls if possible. Get a thick metal plate or 3/4 inch MDF (medium density fiber) board that's a little larger than the footprint of the subwoofer. On top of that use a piece of audio soundproofing foam material like the absorbtion wedges here - http://www.auralex.com/ Place the foam with the wedges facing down on top of the metal or MDF board. Put the subwoofer on top of the foam, but point it toward you instead of toward the floor.

Hope that helps.
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-09-2007, 11:37 PM   #14
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Quote:
Originally Posted by Sue J
My son is an audio engineer so I asked him about this.

Move the subwoofer away from the walls if possible. Get a thick metal plate or 3/4 inch MDF (medium density fiber) board that's a little larger than the footprint of the subwoofer. On top of that use a piece of audio soundproofing foam material like the absorbtion wedges here - http://www.auralex.com/ Place the foam with the wedges facing down on top of the metal or MDF board. Put the subwoofer on top of the foam, but point it toward you instead of toward the floor.

Hope that helps.
That will help keep from transmitting the sound to the neighbors. It will also reduce the sound transmitted to Ha.
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 03:34 AM   #15
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

This is a wild guess, but did you consider placing the woofer on a styrafoam pad?
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 06:30 AM   #16
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Another out of the box inside the box suggestion...make a really large, fully soundproofed subwoofer and put your living room furniture inside of it.

Actually, I think thats already been done. Its called a "conversion van".
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 08:30 AM   #17
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Quote:
Originally Posted by Cute Fuzzy Bunny
Another out of the box inside the box suggestion...make a really large, fully soundproofed subwoofer and put your living room furniture inside of it.

Actually, I think thats already been done. Its called a "conversion van".
But those "rooms" really are not sound proof. I can hear them coming down the street from a block away,
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 09:51 AM   #18
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

Yeah but who cares. If someone complains to you, you can just drive away from them. Or over them.


Another suggestion...get TWO subwoofers and turn them way up. When the neighbors complain, turn them down. When they complain, shut one off.

Hey, it'll sound a LOT better than two of them turned way up...
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 04:34 PM   #19
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

I'm surprised nobody has suggested this yet. You simply need to buy your neighbor an active noise cancelation system.

paper
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below
Old 03-10-2007, 04:48 PM   #20
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Re: How to Lessen Transmission of bass from my Sub-woofer to apt below

That was my next unproductive but interesting suggestion...
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