Dayton Audio Ultimax UM15-22
15" (38cm) subwoofer
/piece
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Description
The Ultimax UM15-22 is a 15" (38cm) subwoofer from Dayton Audio. This unit has been specifically designed to move an enormous amount of air and produce clear, precise bass that is a testament to powerful sound. It will give you a peak power output of 800 watts RMS and features two 2 ohm copper coils with 2 layers. The design of this subwoofer also includes two linear stiffness spiders to limit any distortion and ensure a flawless musical experience. And that's just the beginning of the ultimate subwoofer experience that awaits you with the Ultimax UM15-22.
Highlights
- 15" (38cm) subwoofer
- Moves huge amounts of air!
- Over 1-1/2" total diaphragm stroke
- 800 watts RMS power
- The latest in subwoofer technology
- Two linear stiffness spiders limit distortions and rocking modes
- Two 2-ohm copper voice coils with 2 layers
- Large ventilated pole piece and ventilation under the spider
Housing recommendation
- Closed 87 liters, f3 of 35 Hz with an alignment of 0.707 Qtc
- Bass reflex 170 liters tuned to 18 Hz with two 10 cm diameter and 66 cm long ports for an f3 of 22 Hz. Larger enclosures and lower tuning frequencies are possible.
Properties
- Woofer series : Ultimax Series
- Power handling (RMS) : 800 Watt
- Load capacity (max) : 1,600 watts
- Impedance (Z) : 2 + 2 Ohm dual voice coil
- Sensitivity : 86.5 dB @ 2.83V/1m
- Frequency response : 15 - 1,000 Hz
- Voice coil diameter : 63.5 mm
- DC resistance (Re) : 3.4 Ohm
- Voice coil induction (Le) : 1.31 mH
- Resonant frequency (Fs) : 19.5 Hz
- Mechanical quality (Qms) : 2.40
- Electrical quality (Qes) : 0.59
- Overall quality (Qts) : 0.47
- Moving mass (Mms) : 279.4 g
- Compliance of the suspension (Cms) : 0.24 mm/N
- Diaphragm area (Sd) : 814.6 cm²
- Displacement volume (Vd) : 1.548 cm³
- Force factor (BL) : 15.4 Tm
- Equivalent volume (Vas) : 224.3 liters
- Maximum deflection (Xmax) : 19 mm
- Cone / Diaphragm Material : Nomex membrane
- Bead material : Rubber
- Voice coil wire material : Copper
- Voice coil form material : Aluminum
- Basket / frame material : Cast aluminum
- Magnet material : Ferrite
- Outer diameter : 388 mm
- Total depth : 226 mm
- Cut-out diameter : 350 mm
- Mounting holes : 8
Download data sheet
