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Welcome to DIY Sound Group
Purchasing Notice: These are heavy flat packs that get shipped in two boxes.
8 years ago in 2014 I designed the slot ported Cube-15 Max and sold them for $198 each. Demand and reviews were great, but packaging by myself was very time consuming. So for a while they were only available in bulk pallet orders of 30 units. Now with more helping hands I've decided to bring them back in their original form. We all know wood prices have been up and down recently, so I ordered a large number of these and the Cube-18 cabinets at the same time. The larger quantity kept the prices under control and almost the same as they were 8 years ago!
The Cube-15 MAX is a 5.5 cubic foot (net volume) subwoofer flat pack made from premium 3/4" MDF. The cabinet is tuned to 18hz using a large slot port that extends along the bottom and up the back panel. It was designed to perform best with the 15" Dayton Ultimax, Dayton RSS390HF, or Stereo Integrity 15" subwoofers. But the Cube-15 MAX will work with just about any high powered 15" woofer.
When building any subwoofer cabinet it's very important to know the net internal volume of the cabinet, not just the outer dimensions which is only the 'gross' volume. 'NET' is the true internal box volume after subtracting off bracing and ports. If you don't know the net volume of your cabinet it would be hard to decide if it's right for your particular woofer.
Product Highlights:
Every panel is precisely cut using a $400k industrial CNC router so panels fit together perfectly in rabbet joints and dado grooves. There's no overly sloppy assembly with our cabinets and they can be assembled easily without screws or nails. In fact, cuts are so precise that some people have assembled them using nothing but strong masking tape to hold the panels together while the glue dries. Well thought out and tested designs, incredibly accurate cuts, and premium quality wood are what make Denovo flat packs so popular.
Note: I did not have the CNC company cut holes for terminals because everyone likes using something different. Terminals or binding posts can be shipped for free if you order them at the same time you order this flat pack.
Packaging is superb! They really do take their time in packaging items and make sure it arrives unharmed! No directions included, but this box is so easy to put together. I cannot stress enough how easy this is to build and the final product is amazing! A tank! I am using an Ultimax 15” subwoofer with a Crown XLi 3500. It digs effortlessly and pressurizes the room. I am purchasing another one :)
Very easy to put together and all went together nicely. Would recommend. Used a 4ohm Lab15 which works great, just be sure to protect the sub with a high pass filter around the box tuning. I used winisd to be sure it’d workout and with room gain I get a pretty flat response down under 20hz. The plate amp I used has a 6db boost on the low end so I had to be careful with over excursion. Winisd to the rescue again.
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General Information |
Brand: | Denovo Audio Inc. |
Model: | Cube-15 MAX |
Material: | Premium 3/4" MDF |
Width: | 24 inches |
Height: | 24.5 inches |
Depth: | 25.25 inches |
Volume: | 6.88cuft Gross - 5.5cuft Net |
Tuning Frequency: | 18hz with slot port |
Outer Cutout: | 15.4" |
Inner Cutout | 14" |
Weight: | About 95lbs |
Price Break Down:
Cube-15 MAX: $169.37Packaging material for both packages: $16Packing costs: $25Cost: $210.37
Paypal Fee: $7.63
Total Cost: $218
Picked up in person: Please contact me.
Pricing for 10 or more cabinets: Please contact me.
Recommended Tools:
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 pieces together. That's actually what they do in cabinet shops. My directions make assembly 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.
Assembly Tip: When clamping, you don't need to put lots of pressure on the panels, just enough to keep them from sliding around. Too much clamping pressure just squeezes all your glue out which isn't really a good thing.
Assembly Tip: Dry fit panels as you go and mark where you need to put glue so that glue is used anywhere two pieces of wood touch. Take your time.
Assembly Tip: Rabbet joints are purposely cut about 1/64" bigger to allow for user error, slight shifting, excess wood glue, etc. while gluing them up.
Assembly Tip: Sit the bottom 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.
I prefer to glue the port pieces together in first. Then bracing. Photos coming.
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.
More Tips: