sand in sub box?

[j.clark.90 10+ year member]

I was watchin unique whips and they put sand in a sub box. What does the sand do? Wouldn't it mess up the sub?

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[bubbagumper6 5,000+ posts]

It adds Dbez //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 

[Toone 10+ year member]

so you can make a sandstorm in your car when the bass hits wheen your playing sandstorm

 

[Cabin_Pressure 10+ year member]

Which caraudio comps have you ever seen Unique Whips win?

 

[plugitin 5,000+ posts]

you sure it wasnt to find the internal volume of the box?

 

[boogeyman 10+ year member]

It was to lower the resonant frequency.

 

[groundpound4200 5,000+ posts]

gay... I hate that show. I dont think they even use glue on their boxes just that nail gun

 

[Chrispy 10+ year member]

I seen that episode before too. They used it as sound deadening inside the box but I dont see how effective that can be. Reme their installer said it was his secret....

 

[PV Audio 5,000+ posts]

Sand does have its uses as a damping material in enclosures. Proof? Vance Dickason, author of the Loudspeaker Design Cookbook, wrote a few supplementary collections called Loudspeaker Recipes. In LR volume 1, he has a design for a 2-way vented speaker. To limit internal reflections and standing waves, he puts half of a Sonotube section in the rear of the enclosure so that the front and rear baffles are not parallel. That means that on either side there will be air gaps. I thus quote:

I cut the .25-inch-thick [sonotube] in half lengthwise to form a semicylinder, and trimmed it to the inside height of the box. I positioned it at the rear of the enclosure and stapled it to the back and side walls. I then sealed the cardboard edges using a combination of hot glue and silicone which formed two empty spaces in the corners of the box. After assembling and finishing were completed, I drilled .5" holes in the bottom of the enclosure at the center of the corner spaces. I poured fine white sand (the kind used for gardening) through the holes into the cavities behind the cardboard. [This consequently lowers the resonant frequency of the enclosure when compared to stuffing the empty spaces with a damping material such as fiberglass or poly-fill]. Once these were completely filled, I sealed the holes with dowel plugs. (Incidentally, I made this internal semi-cylinder concept as a prototype several years ago--before the release of the Genesis speaker, which uses the same format, without the sand backfill.)

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=500-018

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[BassMechkanic 10+ year member]

most subs have vented pole pieces, and i am sure that sand bounces around, and in time would make itself into the voice coils, poof goes your sub!

 

[DNick454 10+ year member]

Yo dawg, I herd you liek sandstorm so we put sand in your geo storm so you can have a sandstorm while listening to sandstorm in your geo storm...

 

[bball09124 10+ year member]

Yo dawg, I herd you liek sandstorm so we put sand in your geo storm so you can have a sandstorm while listening to sandstorm in your geo storm...

Yo dawg, I heard you like jokes so I just made another shitty joke about your shitty joke about a shitty joke.

 

[TMali 10+ year member]

im pretty sure the sand gets put in the box to weigh down the box so its harder for someone to steal

 

[Annnarbor84 5,000+ posts]

Fill it full of sandbags ftw

 

[sparkplug121988 10+ year member]

Thats a good idea for up north. That way I can put sand in my box for more weight which will give me more traction. Instead of buying bags of sand and taking up more room.