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Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil

Brand:|Model: UM12-22|Part # 295-512


Dayton Audio's Ultimax Series DVC subwoofers are purpose-built to move air and create clean, articulate, fast bass. Experience the apex of subwoofer design.
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Due In: 10/20/2016
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Part # 295-512
Highlights
  • Thick, one-piece Nomex honeycomb covered cone with woven heavy-duty glass-fiber
  • Tall-boy rubber surround for extra-long linear excursion without reducing cone surface area
  • 600 watts RMS power handling
  • Copper shorting rings and cap reduce distortion due to inductance variations
  • Dual 2 ohm, 2-layer copper voice coils
  • Large vented pole piece and under-spider venting
  • Black anodized aluminum former and black pole improves heat dissipation




Product Details

Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil

If you want outrageous amounts of bass, you gotta move some air

The Ultimax Series of dual voice coil subwoofers, from Dayton Audio, are not for the faint of heart. Built using the latest in subwoofer technology, Ultimax subwoofers are the pinnacle of low frequency driver design. An Ultimax subwoofer tests the strength of your foundation with fast, articulate, gut-wrenching bass.


The versatility you need for mobile, home, or pro subwoofer excellence

Dual 2 ohm voice coils allow for stereo 2 ohm and mono 1 ohm wiring configurations when connecting to high current car audio and professional audio amplifiers to extract maximum power. For home audio applications, simply wire the voice coils in series for a benign 4 ohm load for greater amplifier compatibility.


Built to produce massive low frequency output and keep on doing it

To improve power handling, increase thermal management, and reduce power compression, Dayton Audio designed the Ultimax Series with large black anodized formers and vented pole pieces, under-spider ventilation, and two-layer copper voice coils.

Over 1-1/2" of travel (3/4" Xmax) is kept completely linear through the use of dual spiders that also limit distortion and rocking modes. "Tall-boy" rubber surrounds with integrated gaskets maintain driver surface area during extreme excursion moments. Thick, one-piece Nomex honeycomb covered cones are covered with woven, heavy-duty glass fibers creating ultra-still cones that resist deformation.


A strong motor takes you to wherever you want to be

A large copper sleeve and copper pole cap in the motor reduce energy storage from inductance, with the side benefit of lowering distortion for "faster" response. Large dual-stacked, high-energy magnets handle the heavy lifting and bring Qts down to a level where Ultimax subwoofers can be used in vented or sealed cabinets and enclosures.





Save time, effort, and money! Combine an Ultimax subwoofer and a knockdown enclosure!

A knock-down 2.0 cubic foot subwoofer cabinet built specifically for the Dayton Audio Ultimax 12" subwoofer is available here. Save over $30 off the price of the cabinet when you buy the cabinet and UM12-22 subwoofer (at regular price) together in this package only.

Cabinet recommendations:
• Sealed 2.0 cubic ft. (net internal) with 1 lbs. of Acousta-Stuf polyfill, f3 of 36 Hz with a 0.707 Qtc alignment
• Vented 4.0 cubic ft. (net internal, not including driver or port volume) tuned to 20 Hz with a 10" wide by 1.5" high slot port that is 25" long, which yields an f3 of 19 Hz

Note: All parameters derived with voice coils wired in series.



Product Specifications
  • Nominal Diameter12"
  • Power Handling (RMS)600 Watts
  • Power Handling (max)1200 Watts
  • Impedance2+2 ohms
  • Frequency Response20 to 1,000 Hz
  • Sensitivity86.7 dB 2.83V/1m
  • Voice Coil Diameter2.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)26.2 Hz
  • DC Resistance (Re)3.2 ohms
  • Voice Coil Inductance (Le)1.25 mH
  • Mechanical Q (Qms)3.62
  • Electromagnetic Q (Qes)0.71
  • Total Q (Qts)0.59
  • Compliance Equivalent Volume (Vas)1.65 ft.³
  • Mechanical Compliance of Suspension (Cms)0.14 mm/N
  • Diaphragm Mass Inc. Airload (Mms)270g
  • Maximum Linear Excursion (Xmax)19 mm
  • Surface Area of Cone (Sd)490.9 cm²
Materials of Construction
  • Cone MaterialNomex / Glass Fiber
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter12.38"
  • Baffle Cutout Diameter11.22"
  • Depth6.22"
  • Bolt Circle Diameter11.69"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume2.8 ft.³
  • Sealed F334 Hz
  • Vented Volume5.58 ft.³
  • Vented F317 Hz
Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil
  • BrandDayton Audio
  • ModelUM12-22
  • Part Number295-512
  • UPC844632099250
  • Product CategorySubwoofer Drivers
  • Unit of MeasureEA
  • Product Rating
    (20 Reviews)
  • Weight24.95 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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Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil

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Dayton Audio UM12-22 12" Ultimax DVC Subwoofer 2 ohms Per Coil

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