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Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer

Overview
Build the ultimate subwoofer using this extremely rigid, knock-down, three cubic foot subwoofer cabinet. Extremely well thought out, this cabinet includes precision-machined panels that include dadoes, a double-thick front baffle, and a unique two-piece brace system.
Highlights
  • 3 cubic foot cabinet made of 3/4" MDF panels with a 1-1/2" thick front baffle
  • CNC-machined dadoes, subwoofer cutout and recess, and a unique bracing system that increases cabinet rigidity
  • Designed specifically for the Dayton Audio Ultimax 15" subwoofer
Part # 
300-7082
Weight: 48.65 lbs.  
IN STOCK
List Price$169.99
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$125.00
Part # 300-7082
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Product Details

Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer

Even the easiest do-it-yourself subwoofer can turn into an arduous project; from uneven cuts, to measuring mistakes. CNC knock-down cabinets make it easy for the beginner to end up with amazing finished results without all of the time and effort necessary to perfect your woodworking skills. This cabinet is designed for speaker builders and designers who don't have access to expensive tools or a woodshop.

This particular cabinet is designed specifically for the Dayton Audio 15" Ultimax subwoofer, but works for any subwoofer with an overall diameter of 15-3/8" or less, and a cutout requirement of 14" or less. For optimum performance with the Ultimax 15" subwoofer, add three pounds of Acousta-Stuf polyfill for a Qtc of 0.707 and an f3 of 35 Hz.

During the CNC manufacturing process, rabbets and dadoes are cut into the back panel for precise panel alignment. A unique two-piece brace adds superior rigidity without affecting the subwoofer's performance. Both side panels feature 3/4" rabbeted extensions with recesses to perfectly install the first piece of the two-part, double thick baffle. Plate amplifier installation is made easy by following the scribed interior guide with a jig saw and by modifying one of the braces.

The end result is a resonance-free, sealed subwoofer cabinet that is purpose-built to extract the best performance from Dayton Audio's 15" Ultimax subwoofer. All that's left to do is finish it to match your décor or paint it to stand out. When your friends ask about it, you get the pleasure of saying, "I built it myself!"

Specifications: • Panel thickness: 3/4", front baffle is 1-1/2" • Panel material: Medium Density Fiberboard (MDF) • Finished net cabinet volume (subtracting the double thick baffle, bracing, and woofer volume): 3.0 cubic feet • External dimensions: 19.25" H x 19.25" W x 20" D • Subwoofer recess: 7/16" • Weight: 52 lbs. • Made in the U.S.A.



Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer
  • BrandParts Express
  • Part Number300-7082
  • UPC848791000737
  • Product CategorySubwoofer Speaker Cabinets
  • Unit of MeasureEA
  • Product Rating
    (2 Reviews)
  • Weight48.65 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer
Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer is rated 4.0 out of 5 by 2.
Rated 3 out of 5 by from Woefully insufficient for the Ultimax!This is a fabulous, well designed, well machined, easy to assemble, beautiful sealed speaker box. Unfortunately the 15” Ultimax driver it was designed for is just WAY too much for this box to handle. I have to admit I was a bit skeptical building a ¾” thick box for a driver with the capabilities of the Ultimax. I think if you add about ½” of concrete to all five sides of the inside of the box, it might do the trick, but as-is, even with the recommended 3 lbs. of Acousta-Stuf, it just vibrates far too much. If plain old boom is what you’re after, this box will certainly suffice, but if high fidelity is your goal (which is usually the case for people building sealed enclosures!), then I’d recommend building your own enclosure or heavily modifying this one. (See my review of the Ultimax for more in-depth info.)Bottom line: I would only recommend this to a friend who wasn't looking for super high fidelity.
Date published: 2013-11-09
Rated 5 out of 5 by from Creates a stunning, detailed bassDespite the fact that no instructions are included, this enclosure goes together intuitively and simply. All that is required are woodworkers clamps and wood glue. In order to mount either a plate amp or a set of terminals, you will need something to cut the opening in the back panel. A saber saw is ideal for the purpose. I ended up using a plane to clean up some of the joints, but overall, the cuts are very accurate and certainly more accurate that most woodworkers could do in a home shop.The Ultimax driver for which this enclosure is made is impressive to say the least. It weighs in at 32 lbs and features huge rubber surrounds for a good Xmax, huge magnets and a stiff nomex cone. It fits the enclosure perfectly. I installed one of the Yung 300 watt plate amps. Many would consider this amp to be a little small for a 15" sealed sub but it works fine for me.The sonic performance of this subwoofer is phenomenal. It provides very detailed, tight bass perfect for filling in the lower registers for your stereo pair or your home theater main pair. It has plenty of presence to handle LFE and probably a lot more than I need by choosing a more powerful amp.This is the kind of sound you would experience with one of the quality subs from companies like SVS, Hsu or Velodyne. I wouldn't trade mine for any 15" unit made by anybody. It is that good. Build one. You will love it.
Date published: 2013-09-09

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Audio Knock-Down MDF 3.0 cu. ft. Subwoofer Cabinet for Dayton Audio 15" Ultimax Subwoofer

Built this box, adding spa-1000 amp & 15" Ultimax sub. Concerned regarding stock bracing, was considering adding two (2) 1-1/4" round wood dowels (17-3/4" length each) vertically for added strength. Will these dowels compromise sound & performance?

Asked by: azamudio10
The only thing it will do is increase strength but will take up about .0252cu.ft of internal airspace. This will raise the Q a tad but unnoticeable. You can add another pound of stuffing then. 
Answered by: Chris W
Date published: 2014-09-21

Hi I'm looking at getting the Dayton Audio 15" Ultimax Subwoofer . I have used the subwoofer specs on the calculators and its saying i need a enclosure of 6.25 ft"3, Qtc 0.71, F3 29.68hz . Am i doing something wrong?

Asked by: maddog_1
All box calculators will provide different results do to different defaults, stuffing amounts, etc. The recommended sealed box volume for this woofer assuming typical fill is about 3.3 cubic feet, so the volume of 3.0 in this kill will have virtually no effect on the results you will hear. This F3 models at 35 Hz and F10 is 20 Hz which is what you can expect in-room.
Answered by: MattP
Date published: 2014-08-18

Will the Dayton Audio DCS380-4 fit in this box?  Based on the specs of that driver, I will assume it does.  And if so, can I get really radical and arrange the box with that driver to be down-firing and install two opposing SD315-PR passive radiators?

Asked by: msutliff
The DCS380-4 will work in this volume although there may be baffle modifications required for mounting. I would not recommend porting or adding passive radiators with this woofer. Downfiring will be ok.
Answered by: MattP
Date published: 2014-08-11

How deep of a subwoofer can this accommodate?

I have a 9-1/2" deep subwoofer I would like to use with this, which would put it 8-7/16" past the baffle. Will that inner brace get in the way?
Asked by: prince427c
We do not have a specific depth for these enclosures since the braced are tapered to accommodate different drivers.
Answered by: MattP
Date published: 2013-10-28

¿Dayton Audio RSS460HO-4?

I been reading on the forums here and others to load RSS460HO-4 3.0-3.5 cubic box sealed. So my crazy question is this can you cut the front baffle to fit the 18? If so I would do four two for DJing the other two in cherry for my home theater. And power them use the Crown X4000. Thanks For Your Time P.E.
Asked by: godoy692002
I see no reason you couldn't cut the baffles larger to fit the 18". I would not recommend using the RSS460HO for DJ applications.
Answered by: MattP
Date published: 2013-07-23

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