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This 1.5 cubic foot Denovo Audio subwoofer flat pack is made from a highly refined CARB 2 compliant MDF, which is much nicer than the panels sold in most home improvement stores. It's a heavier weight, clean cutting material that makes it perfect for subwoofer cabinets. It gives you more rigid panels and the extra weight assures that the enclosure is less likely to 'walk' around on the floor when the subwoofer is playing at high volumes. It's double thick front baffle gives you a full 1.5" total thickness for an extremely solid build.
Every panel is cut with an automated CNC router so that the pieces fit together perfectly in rabbet joints and dado grooves. Not only does this make assembly much easier and more accurate, but also gives you a stronger enclosure because there's more surface area for the glue to bond to.
This cabinet gives you a net internal volume around 1.5cuft after subtracting the woofer and braces. It was orignally designed for the 12" Dayton Audio RSS315 subwoofer, but will work for other models that are the same diameter. The well thought out interlocking matrix style bracing system allows you to assemble the entire cabinet quickly and easily with no need for screws or nails.
Product Highlights:
- CNC cut for incredible accuracy
- Made from Carb 2 Compliant highly refined MDF
- Rabbet joints and dado grooves help align panels for easy assembly
- Full width and height interlocking brace design for extra strength
- 1.5" thick front panel
- Can be used as a downfiring subwoofer by installing legs on the front panel
Note: I did not have the CNC company cut holes for terminals because everyone likes using something different. Terminals, binding posts, and/or speaker spikes can be shipped for free if you order them at the same time you order this flat pack.
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Easy Assembly review by Denver on 3/12/2024The kit is very nice and easy to assemble. The machine work makes the kit quick to assemble and VERY strong.
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Excellent Cabinet review by Chip64 on 3/12/2024
If you take the time to sand and finish, you can have a VERY nice very professional subwoofer cab with this kit. I am very happy with how this build came out A+++++
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Solid, Quick and easy project. review by SCOTT B on 3/12/2024
I purchased two of these for an 11.2 surround sound set up. Both went together simply and are very sturdy especially with the bracing inside. I used Macassar Ebony wood veneer, black lacquer front and string instrument clear lacquer.
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Perfect, strong, stable, no vibration, perfect cutouts, easy to build! review by Rob on 2/18/2018
(Posted on 8/14/17 from the old site)
I used a couple of these sealed boxes to create ported MBMs. At 1.25cft net with driver, bracing and ports included, they are tuned to 55hz and can easily put out 110db+ at 10feet from the MLP.
Putting these together is as easy as it gets, Erich's amazing packaging makes the potential for dings or dents almost impossible, and it's fun to build.
The reason to go with these types of enclosures is that they are high quality, and stable. Unlike the garbage that you can buy cheap for say a car sub (thin, no bracing, poorly constructed), these are beasts and will rival just about anything.
Very few people know that these are available, and because of that they are out of stock! Send the site's creator a note asking about these or other boxes and they will likely come back again.
Feel free to pay a lot more from another source, or smarten up and send a note to the site manager and ask him for a pair of these, or the other sizes you may want. It doesn't take that many people to get another run going, but jeez guys just check these prices vs the competition and it's a no-brainer.
Can you build a perfect box with a perfect cutout, bracing and dado grooves and joints for the price shown above? Not if your labor is worth more than $1 an hour!
These, and the other speakers on this site, are the best deal in audio, period. Please feel free to see my other reviews for the Ported 15 Sub, and the HTM-12s. My reviews have links to build threads with lots of details should you be interested! -
Excellent! review by Justin on 2/18/2018
(Posted on 3/30/13 from the old site)
I bought two of these with the 12 inch Dayton RS cutout. Turns out the cutout fits the Infinity 1260w/1262w perfectly, so I'm just going to use those woofers. The box itself was super easy to construct - I did it with no clamps using Titebond II. Excellent packaging, excellent cuts, excellent price. Thanks for making DIY a possibility for me, Erich! -
Built like a pro. review by Sal Butler on 2/18/2018
(Posted on 3/21/13 from the old site)
I took the package into my garage, opened it up and laid everything out and fit it all together without glue to see how it was going to go. At first I was worried that their were no instructions. But quickly realized that the box can only go together one way, so you really can't mess it up. This is a well thought out design, even for someone's first DIY project.
I glued in the braces and let it dry for a little while, then pretty much did the other panels one after the other with my brad nailer. Crazy easy. A sheet of wood would've cost me $35. Then it would have took me a full day of measuring, cutting, and routering. That's easily worth the extra $30 just in saved time, let alone the easy assembly and nice braces. -
Excellent flatpacks, thanks Erich review by Dinesh on 2/18/2018
(Posted on 2/7/13 from the old site)
This is a boon for people like me who have few tools and lack the woodworking skills. Erich included a custom baffle for a 12" subwoofer and also did cuts for the plate amp. The flat packs are cut precisely and are easy to assemble. The packing was great and everything survived. I cannot thank enough Erich for providing such a great service for DIYers like me.
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| General Information |
| Brand: | Denovo Audio Inc. |
| Model: | 1.5-Sub-FP |
| Material: | Highly Refined Carb 2 MDF |
| Width: | 15.5 inches |
| Height: | 15.5 inches |
| Depth: | 16.25 inches |
| Gross Volume: | 2.15 cubic feet |
| Net Volume (approx): | 1.5 cubic feet |
| Outer Cutout: | 12.4" |
| Inner Cutout | 11.2" |
| Weight: | 37lbs |
Recommended Tools:
- Clamps that open as big as the longest side of the flat pack.
- A mallet (or a small piece of wood and hammer) to lightly tap pieces into place if needed.
- Quality wood glue like Titebond. Some people use PL adhesive.
- Sandpaper or sanding block for smaller cabinets, but a power sander speeds things up a lot.
- Some prefer to use brad nailers for quick assembly, but clamps are just fine with no need for nails or screws.
Assembly Notes:
This is an easy cabinet to assemble and can be done a few different ways. Believe it or not the panels go together so good that some people have assembled these just using masking tape to hold the panels together. That's actually what they do in cabinet shops as well. My directions probably make it sound a bit harder than it actually is, but once you have the panels laid out, you'll see how easy it can be done. My directions assume you're using a wood glue like TiteBond, Elmers wood glue, or something similar.
Sit the back panel up on something to keep it a few inches off your work bench. This allows the head of your clamps to fit under the panel so you can clamp the other pieces to it much easier. Glue the braces in first and add a little glue where they interlock. While clamping them down, make sure they stay between the rabbet joints cut around the rear panel and wipe away any glue that squishes into those grooves so the other panels will still lay in okay. After about 30 minutes, remove your clamps.
Next you want to install the top and bottom pieces. These also fit perfectly between the rabbet joints just like your braces did. Make sure you put glue where they touch the bracing.
After you have the top and bottom on, I prefer to install just *one* side panel, then I will glue on the inner baffle next. I've seen people install both side panels but that will be harder to apply glue and push the inner baffle into the cabinet. So I just do one side panel, then install the inner baffle making sure you have glue every place two pieces of wood meet. Let that dry pretty good.
Without adding glue, fit the remaining side panel in place. Depending on how hard you clamped things down earlier, this could need to be tapped into place with a mallet, or a small block of wood and hammer. Make note of where you need to apply the wood glue, remove the side panel, apply the wood glue where needed, then tap the panel back into place and clamp it down.
Last piece is the outer baffle. Just put a bead of glue around the edges, then around the woofer cutout, then just drizzle it around the rest of the areas. Lay the baffle on. It will slide around a little bit, but don't worry. Lightly tighten your clamps down while working your way around the box shifting the baffle into position. If you have a small clamp, you can use it inside the woofer cutout to clamp the inner baffle to the outer baffle.
Tips:
- Dry fit all pieces together first so you can see how the cabinet is suppose to assemble.
- Don't rush your build. Glue one or two panels at a time to make assembly accurate and easier.
- Use a quality wood glue and put a bead of it anywhere two panels touch.
- Clamp each panel for at least 30 minutes, then move to the next step. (depends on adhesive used)
- Don't over-clamp your panels. Tighten your clamps enough to hold the panel in place.
- If you're going to add any filler to the seams, sand the edges down flush before adding filler.
- Predrill your woofer screw holes with a 7/64" or 1/8" drill bit.
- Protect your woofer when installing screws. You don't want the screw driver to slip and puncture the woofer!
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