12 Inch (305 mm) 4 Ohm, Dual Magnet Subwoofer
The 93059 12” subwoofer has a high-controlled suspension, a high tensile-strength spider, and 2” voice coil to ensure impressive bass performance and high-power handling in vented enclosures. A black steel frame, polypropylene cone, rubber surround, and dual ferrite magnet give this driver a professional look to match its design, while still outputting reliable and smooth bass to fit your listening needs.
- Subwoofer
- 12” (533 mm) basket diameter
- 150 watts, 4 ohms, 89 dB SPL
- 2" copper voice coil, Kapton former
- Dual ferrite magnet, stamped-steel basket
- Polypropylene cone, rubber surround
Oaktron by MISCO is a premium line of high performance, ready-to-ship transducers and drivers for a wide variety of applications including high fidelity, arcade, and casino games, automotive, aerospace and many more. From elegantly simple to highly specialized designs for unique and demanding applications, there is an Oaktron loudspeaker perfectly suited for your needs.
MISCO engineers use the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer to maximize and validate the speaker's design, as well as the Klippel QC module to ensure perfect unit to unit consistency and reliability.
Download Product Specifications (PDF) »
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 305-SW04D-01 |
| Size, Nominal (inch & mm) | 12" (305 mm) |
| Shape of Speaker | Round |
| Speaker Type | Subwoofer |
| Application | Auto / Motorcycle, High-End Audio and Home Theater |
| Environment | Indoor |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 4 |
| Rated Power IEC268-5 (W) | 150 Watts |
| Rated Impedance (Ω) | 4 |
| Continuous Power (W) | 150 |
| Program Power (W) | 300 |
| Frequency Range (Hz) | 20 - 200 |
| Sensitivity (dB SPL) ¹ | 89 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 20 |
| DC Resistance (Re) (Ω) | 4.1 |
| Voice Coil Inductance (Le) (mH) | 2.87 |
| Mechanical Q Factor (Qms) | 5.91 |
| Electrical Q Factor (Qes) | 0.22 |
| Total Q Factor (Qts) | 0.21 |
| Mechanical Resistance (Rms) (kg/s) | 2.3 |
| Compliance Equivalent Volume (Vas) (L) | 245.15 |
| Suspension Compliance (Cms) (mm/N) | 0.58 |
| Surface Area of Diaphragm (Sd) (cm²) | 547.4 |
| Moving Mass (Mms) (gm) | 106.7 |
| Magnetic Gap Height (mm) | 9.5 |
| Coil Winding Height (mm) | 19.8 |
| Maximum Linear Excursion (Xmax) (mm) | 5.1 |
| Motor Force Factor (BL) (T•M) | 15.0 |
| Efficiency (η₀) (%) | 0.90 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 4.7 x 0.5 mm |
| Voice Coil Diameter (mm) | 51.31 |
| Voice Coil Wire Material | High temperature copper |
| Voice Coil Former Material | Kapton |
| Voice Coil Winding | 2 layers, round wire |
| Magnet Material | Ferrite |
| Magnet Weight (g) | 2154.6 |
| Cone Body Material | Polypropylene |
| Cone Surround Material | Rubber |
| Dust Cap Material | Polypropylene |
| Net Weight (kg) | 5.14 |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |