Dayton Audio UMII15-22 Ultimax II 15″ DVC Subwoofer 2 Ohm Per Coil
Overview
Introducing the UMII15-22 Ultimax II 15″ Carbon Fiber Cone subwoofer from Dayton Audio. Building on the success of their predecessor, these subwoofers have been meticulously engineered to surpass expectations. With improved excursion capability, lower distortion, higher power handling, better efficiency, and increased output, the Ultimax II subwoofers elevate your audio experience to new depths. Immerse yourself in rich, booming bass that will shake you to the core. Dayton Audio continues to redefine the boundaries of excellence with the UMII15-22 subwoofer
Key Features
- A large aluminum shorting cap and sleeve help keep inductance linear to guarantee minimal distortion
- The rigid yet lightweight woven carbon fiber cone delivers quick, detailed, and accurate response
- With ±24 mm xmax, you can expect powerful and deep bass response, taking your audio experience to the next level
- Equipped with a 4-layer 3″ flat wound voice coil that can handle up to 900 watts RMS
- The frame and motor include extensive venting ensuring efficient heat dissipation for consistent and reliable operation, while minimizing power compression
- Dual spiders maintain cone linearity even at extremely high excursion levels, providing peak audio performance at all times
- Optimized for compact sealed enclosures, but capable of exceptional low frequency extension in vented designs – offering you the freedom to create the perfect audio setup
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Product Details
Brand | Dayton Audio |
Model | UMII15-22 |
Part Number | 295-714 |
UPC | 848791010248 |
Unit of Measure | Each |
Weight | 34.85 |
Product Specification
Nominal Diameter | 15″ |
Bolt Circle Diameter | 14.6 |
Power Handling (RMS) | 900Â Watts |
Power Handling (MAX) | 1800Â Watts |
Impedance | 4Ω |
Frequency Response | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 20 – 300Hz |
               Sensitivity |               88.5dB 2.83V/1m |
            Voice Coil Diameter |                     3″ |
Thiele Small Parameters
Resonant Frequency (Fs) | 29Hz |
DC Resistance (Re) | 4.2Ω |
Voice Coil Inductance (Le) | 0.7mH |
Mechanical Q (Qms) | 2.34 |
Electromagnetic Q (Qes) | 1 |
Total Q (Qts) | Â 0.7 |
Compliance Equivalent Volume (Vas) |  3.39ft³ |
Mechanical Compliance of Suspension (Cms) | Â Â 0.11mm/N |
BL Product (BL) |  14.6T·m |
Diaphragm Mass Inc. Airload (Mms) | Â 279g |
Maximum Linear Excursion (Xmax) | Â 24mm |
Surface Area of Cone (Sd) |                             791cm² |
Materials of Construction
Cone Material | Â Carbon Fiber |
Surround Material | Â Rubber |
          Voice Coil Wire Material |                                                                                                                Copper |
            Voice Coil Former |                                                                       Aluminum |
Basket / Frame Material | Â Â Â Â Â Cast Aluminum |
Magnet Material | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Ferrite |
Mounting Information
Overall Outside Diameter | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 15.32″ |
          Baffle Cutout Diameter |                  13.9″ |
               Depth |                  8.125″ |
          # Mounting Holes |                   8 |
Parts Express Staff Recommended Enclosure Volume
Sealed Volume |                  3ft³ |
               Sealed F3 |                 36Hz |
             Vented Volume |                  5ft³ |
               Vented F3 |                 24Hz |
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