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Dayton Audio 15" Ultimax II with 3 Ft³ Cabinet DIY Home Theater Subwoofer Kit

Dayton Audio
Part #300-7222

Dayton Audio 15" Ultimax II with 3 Ft³ Cabinet DIY Home Theater Subwoofer Kit

Dayton Audio
Part #300-7222  
Craft your very own high impact subwoofer system that delivers high output while maintaining impeccable clarity. Designed for both music aficionados and home theater enthusiasts, the Ultimax II 15” sealed subwoofer kit offers an unparalleled blend of precise control and deep, resonant bass that extends into the lowest octaves. Included in this kit is a meticulously crafted 3-cubic-foot CNC-machined knock-down cabinet, paired with the powerful Dayton Audio UMII15-22 15" subwoofer. Elevate your audio experience and feel the earth-shaking power of your custom creation.
Key Features
  • High excursion 15” Ultimax II driver delivers low distortion and excellent output capability
  • CNC cut 3/4” MDF knock-down enclosure is designed for optimum sealed box performance
  • Dadoes and rabbets keep panels aligned for easy assembly
  • Bass extension, low distortion, and flat response makes this a great choice for music and home theater systems
  • Gives you the opportunity to finish the enclosure to match almost any decor
Your Price: $439.98
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Overview

Dayton Audio 15" Ultimax II with 3 Ft³ Cabinet DIY Home Theater Subwoofer Kit

Dayton Audio 15" Ultimax II DIY Subwoofer Kit

Experience the power of bass like never before by building your very own compact, low-distortion subwoofer system designed for earth-shaking output. This 15” subwoofer kit delivers the perfect blend of precise control and deep bass extension, making it the ultimate choice for music enthusiasts and home theater aficionados alike. Inside this exceptional kit, you'll find a meticulously crafted 3 cubic foot CNC-machined knock-down cabinet paired with the renowned Dayton Audio UMII15-22 15" subwoofer. you can expect unparalleled audio precision and rich, immersive sound that brings your favorite movies and music to life.

Don't settle for ordinary sound. Elevate your audio experience by building a subwoofer that matches your passion for premium quality. This is more than just a kit; it's your gateway to extraordinary sound that’s sure to impress.

Features:

  • 15" Ultimax II driver capable of nearly 2" of total cone travel to move up to 3-3/4 liters of air
  • 3.0 cubic foot CNC-cut cabinet made of 3/4" MDF panels with a 1-1/2" thick front baffle
  • Internal bracing ties every side together for minimal panel resonance
  • Rabbeted corners and internal dado joints makes assembly easier than ever
  • Excellent sealed low frequency extension: F3 = 35 Hz and F10 = 22 Hz

About the Cabinet

This compact cabinet is designed specifically for the Dayton Audio 15" Ultimax II subwoofer. This 3 ft³ enclosure uses precision CNC cut 3/4" MFD panels to ensure simple assembly and a rigid cabinet. The interlocking bracing ties every side together to keep panel resonance to a minimum. In addition, the stacked front baffle is 1-1/2" thick giving you an extremely solid surface to install the massive Ultimax II 15" driver.

About the Driver

The Ultimax II 15" plays clean, low, fast, and LOUD. Designed to excel in compact sealed enclosures, it features an ultra-powerful stack of high-grade ferrite ceramic magnets for strong motor force and exceptional control. With an aluminum shorting ring and huge cap, inductance is kept to a minimum to give you extremely low distortion, “faster”-sounding bass response, and perfect magnetic symmetry. Featuring a carbon fiber cone, rigid cast aluminum frame, dual spiders, 3" flat wound voice coil, dual shorting rings, extensive venting, and an FEA optimized motor, this driver is built for high SPL, ultra-low bass extension and minimal distortion.

Cabinet Specifications

Panel Thickness
3/4", front baffle is 1-1/2"
Panel Material
Medium Density Fiberboard (MDF)
Net Internal Cabinet Volume
(subtracting bracing and woofer): 3.2 ft³
External Dimensions
19.25" H x 19.25" W x 20" D
Mounting Depth
(mounting baffle to brace): 8"
Subwoofer Recess
1/2"
Weight
52 lbs
Origin
Made in the USA

Woofer Specifications

Power Handling
900 watts RMS/1,800 watts max
Frequency Response
20-300 Hz
Impedance
4 ohms (dual voice coil, 2 ohms per coil)
Le
0.7 mH
Re
4.2 ohms
Fs
29 Hz
SPL
88.5 dB 2.83V/1m
Vas
3.39 ft³
Qms
2.34
Qes
1.0
Qts
0.7
Xmax
24 mm
Dimensions
Overall diameter: 15.3", Cutout: 13.9", Depth: 8.125"

Product Details

Part Number300-7222
UPC848791011023
Weight78.44

Product Specifications

Cabinet Dimensions (HxWxD)19.25" x 19.25" x 20"
Cabinet OptionsUnfinished/Unassembled
ColorUnfinished
Input Rating2 + 2 ohms
Speaker TypeSubwoofer
Woofer Diameter15"

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