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Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer

Overview
This four cubic foot cabinet is precision CNC-machined for finished professional results without tools! Build a beast of a subwoofer using this cabinet and the Dayton Audio 18" Reference Series RSS460HO-4 or Ultimax UM18-22 driver.
Highlights
  • 4.0 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 18" Ultimax or Reference Series High Output subwoofers
Part # 
300-7079
Weight: 61.25 lbs.  
IN STOCK
List Price$199.99
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Your Price
$165.00
Part # 300-7079
Qty:  EA
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Product Details

Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or 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 18" Ultimax or Reference Series High Output subwoofer, but works for any subwoofer with an overall diameter of 18-1/4" or less, and a cutout requirement of 16-3/4" or less. The sealed enclosure design with minimal fill creates a subwoofer system with a Qtc of 0.644 and an f3 of 40 Hz when used with the Dayton Audio RSS460HO-4, or for the Ultimax a Qtc of 0.714 with an F3 of 32. Adding five pounds of Acousta-Stuf will create a critically damped subwoofer system.

During the CNC manufacturing process, rabbets 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 18" Ultimax or High Output Reference Series 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 and bracing): 4.0 cubic feet • External dimensions: 23" H x 20" W x 20.75" D • Subwoofer recess: 1/2" • Weight: 62 lbs. • Made in the U.S.A.



Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer
  • BrandDenovo Audio Inc
  • Part Number300-7079
  • UPC848791000706
  • Product CategorySubwoofer Speaker Cabinets
  • Unit of MeasureEA
  • Product Rating
    (2 Reviews)
  • Weight61.25 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.

View similar products to the Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer
in the Subwoofer Speaker Cabinets product category.

Reviews

Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer
Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from AdaptableThis box is well machined and adaptable with a good quality 15 " sub woofer rated at 30 hz fs .Im able to go below 20 hz with out a vent, however ,you'll need a powerful amp rated at least 1/2 Kilowatt .No boom and very musical and defined bass.A good amp should have eq abilities to roll of upper fqs.
Date published: 2015-04-06
Rated 5 out of 5 by from Spend a little money, save a lot of timeThis enclosure went together flawlessly. I could have built it myself, but it would have taken the better part of a day. The CNC routered parts are nice, and everything is slotted / indexed. Tossing it together, carpeting it, and dropping in my JL 18W6 took about 3 hours with taking my time.As soon as I get the amplifiers wired, I'll drop it in the truck and see what it can do.
Date published: 2013-08-26
  • 2015-04-25T06:39CST
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  • clientName_PartsExpressInternational

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.
Knock-Down MDF 4.0 cu. ft. Subwoofer Cabinet for Dayton Audio 18" Reference Series HO or Ultimax Subwoofer

Have you considered offering this series of enclosures with blank front baffles? As you offer them now, they are pretty much dedicated to a few drivers. Blank baflles would open up the possibillities.

Asked by: ChasM
These are available with blank baffles, you can see the 4.0 cubic foot model below.http://www.parts-express.com/denovo-audio-knock-down-mdf-40-cu-ft-subwoofer-cabinet-with-blank-baffle--300-7088
Answered by: MattP
Date published: 2015-04-21

Hi, does PE have any pre-made grill cover for this box?  

Asked by: Luvbass
I am sorry, we do not have a premade grill for this. We do offer a grill frame kit if you are interested building your own though.
Answered by: Chrisf
Date published: 2015-03-31

What size port and length will I need for porting this with the Ultimax 18 inch subwoofer that Parts Express sells please. Best Regards

Asked by: paintmaster
I would not recommend porting this volume with this woofer, the cabinet will need to be twice this volume at minimum for a practical tuning frequency with this driver.
Answered by: MattP
Date published: 2015-03-25

Do yall sell any speakers grills made for this box?

Asked by: Blutengel
We do not have any made specifically for these enclosure, but we do sell a grill frame kit that you can cut to size to fit.http://www.parts-express.com/parts-express-speaker-grill-frame-kit--260-346
Answered by: MattP
Date published: 2015-02-05

Is it possible to order these knock downs in birch  plywood"

Asked by: Fritzer
Currently only available in Medium Density Fiberboard. ( MDF)
Answered by: TomI
Date published: 2015-02-03

Hi. Can this cabinet fit si hst18? outer diamter for this sub is 18,42 Thx in advance..

Asked by: opec
This cabinet has a maximum cutout of 18-1/4" so it would need to be modified to fit that woofer.
Answered by: MattP
Date published: 2015-01-22
  • 2015-04-25T09:07CST
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