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Concrete Outdoor Subwoofer for Key Largo, FL
Concrete Outdoor Subwoofer for Key Largo, FL
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Old 24th November 2017, 12:10 AM   #11
Pano is offline Pano  United States
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Concrete Outdoor Subwoofer for Key Largo, FL
Art, which of the SmartSide Products? They make a lot of different stuff.
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Old 24th November 2017, 02:24 AM   #12
hollowboy is offline hollowboy  Australia
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I'm thinking he might be better with some pro woofers of some kind.
Yea. I think Faital and B&C make drivers that are good and also waterproof. There are probably lots of others.

B&C sell some recone kits that include waterproofing goo, so I'm guessing that waterproofing a 'normal' pro driver can be done without a doctorate in rocket surgery.
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Old 24th November 2017, 08:34 PM   #13
weltersys is offline weltersys  United States
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Art, which of the SmartSide Products? They make a lot of different stuff.
The LP SmartSide Panel works well to sheath houses and outdoor speaker cabinets.
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Old 4th December 2017, 12:54 AM   #14
MovingOn is offline MovingOn
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Thanks all for the input! I made a concrete box and below are the photos of the form and the completed body. The top is drying as I type this. It is for a 15" sub but I'm wondering if I should have went with an 18".

I'm going to see how this sounds in a few days. If it is anywhere near where I hope then I'll make four more as we have areas that subs will be (three will be around the pool area (pool is 40' x 20' with a fairly large cabana) and the other two will bye in the fire pit area.

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We haven't sealed the concrete yet - so hopefully when it is done it will look even nicer.

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Old 4th December 2017, 01:18 AM   #15
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Also have a ton of dampening material to go in the box to help with any resonance.
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Old 10th December 2017, 02:12 PM   #16
USRFobiwan is online now USRFobiwan
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Concrete Outdoor Subwoofer for Key Largo, FL
Did you apply concrete reinforcement (rebar) or chicken wire inside the concrete slab, otherwise it could crack.
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Old 10th December 2017, 02:18 PM   #17
MovingOn is offline MovingOn
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Did you apply concrete reinforcement (rebar) or chicken wire inside the concrete slab, otherwise it could crack.
We put fiber glass reinforcement into the mix.
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Old 11th December 2017, 10:13 PM   #18
hollowboy is offline hollowboy  Australia
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Nice job; that's more slick than I was expecting. Has it dried well? Have you successfully moved it?

I'm guessing you used some sort of shaker, since it has filled the corners so well, no voids.
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Old 11th December 2017, 10:21 PM   #19
Max Headroom is offline Max Headroom  Australia
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Also have a ton of dampening material to go in the box to help with any resonance.
There are thick waterproofing compounds....these might be useful to damp concrete 'ringing'.

Dan.
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Old 15th December 2017, 03:48 PM   #20
MovingOn is offline MovingOn
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It has cured 90%+ and have moved it to the fire pit area. It sounds pretty darn awesome! I'll give the full details once I have the second one done and running as we changed the speaker and the volume.
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