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Can boxes be sold pre-tuned?

Old 04-10-2007, 02:07 PM
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Can boxes be sold pre-tuned?

So bassworx has a vented box that's 1.8 cu. ft. and it says it comes tuned to 36hz.

Looks about perfect for my Type-R, but I'm wondering...

Can boxes be sold pre-tuned without drivers in them?

I thought the boxes had to be built around the driver specs, or is the tuning frequency of the box regardless of that?
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Old 04-10-2007, 02:13 PM
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Lightbulb

A vent of a given diameter and length in a box of a given volume will be tuned to a specific frequency. THis is independent of the woofer.

The rub comes in how WELL a woofer works in that generic volume and tuning. This is called alignment and many people forget that it is as important for vented boxes as it is for sealed ones.
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Old 04-10-2007, 02:37 PM
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So if I go to the store and see enclosures I'm interested in, I should take down the cubic feet and tuning frequency and plug them into WinISD to see how my driver will respond in that box?
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Old 04-10-2007, 02:41 PM
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Exactly.
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Old 04-10-2007, 02:44 PM
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Sounds good. Thanks!

Now does anybody know where to get quality enclosures for a great price?

I like the Bassworx stuff, but I don't want to pay more for the enclosure than I did for my driver.
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Old 04-10-2007, 03:07 PM
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Considering that the box will make or break the output you want, you may want to reconsider you last statement about the investment in the box.
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Old 04-11-2007, 07:08 PM
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Originally Posted by andrewsfm
Sounds good. Thanks!

Now does anybody know where to get quality enclosures for a great price?

I like the Bassworx stuff, but I don't want to pay more for the enclosure than I did for my driver.
Or do what any normal person would do and build your own for a fraction of the cost. Its really not that hard if you know how to use a drill and a saw. I did both my boxes for under $30, and i was quite impressed by the finished product.
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Old 04-11-2007, 07:38 PM
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I'm actually looking into getting someone that does this sorta thing for a living, make one for me, so I don't need to set aside a whole day on the weekend trying to put this thing together.

I would be comfortable making a sealed, or round ported box, but now that I want a vented, it's a little more trickier, and would rather have someone with experience do it.
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Old 04-12-2007, 01:27 PM
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I find slot ports are easier to do than round ports.
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Old 04-12-2007, 03:34 PM
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When it comes to the physical building of a box, ported and sealed require the same level of experience. Planning a ported box is more difficult - but you've got WinISD and if you understand the results displayed, then you're in business. Personally I find round ports to be the easiest - go to an industrial construction site and pick up a scrap piece of 3" or 4" PVC. You shouldn't need more than a foot in length (unless the box is small or tuned stupid low) and that is just scrap to builders. I've built 6 ported boxes, and all of my ports I pulled from a dumpster. I think you should give it a try. Its fun.
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