5 Inch (133 mm) Neo-Rite Work-Horse Woofer
The 93031 Neo-Rite Woofer uses a compound magnet to operate in high-power music systems. Install this driver into small enclosures meant for home theaters, pro-sound, and gaming cabinets.
- Woofer
- 5.25 inch (133 mm) basket diameter
- 50 watts, 4 ohms, 87 dB SPL
- 1 in. copper voice coil, aluminum former
- Neodymium/ferrite magnet, stamped-steel basket
- Polypropylene cone, Santoprene surround
MISCO engineers test and analyze the performance of these speakers using the world's most sophisticated loudspeaker measurement systems, including the Klippel Analyzer and the Klippel QC, which are used to validate the final design.
Oaktron by MISCO is the premium line of high-performance, ready-to-ship transducers for a wide variety of applications, including high fidelity, musical instruments, automotive applications, 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.
Pair this woofer with one of our MISCO Amplifiers.
Download Product Specifications (PDF) »
Brand Name | Oaktron by MISCO |
---|---|
Model # | 133-WF04-04 |
Size, Nominal (inch & mm) | 5" (127 mm) |
Shape of Speaker | Round |
Speaker Type | Woofer |
Application | Auto / Motorcycle, Home Audio |
Environment | Outdoor / Indoor |
RoHS Compliant | Yes |
Nominal Impedance (Z) (Ω) | 4 |
Rated Power IEC268-5 (W) | 50 Watts |
Rated Impedance (Ω) | 4 |
Continuous Power (W) | 50 |
Program Power (W) | 100 |
Frequency Range (Hz) | 40 - 7,500 |
Sensitivity (dB SPL) ¹ | 87 |
Resonant Frequency (Fs) (Hz) +/- 15% | 56 |
DC Resistance (Re) (Ω) | 3.3 |
Voice Coil Inductance (Le) (mH) | 0.35 |
Mechanical Q Factor (Qms) | 11.74 |
Electrical Q Factor (Qes) | 0.56 |
Total Q Factor (Qts) | 0.53 |
Mechanical Resistance (Rms) (kg/s) | 0.56 |
Compliance Equivalent Volume (Vas) (L) | 4.59 |
Suspension Compliance (Cms) (mm/N) | 0.43 |
Surface Area of Diaphragm (Sd) (cm²) | 86.6 |
Moving Mass (Mms) (gm) | 18.5 |
Magnetic Gap Height (mm) | 4.5 |
Coil Winding Height (mm) | 12.2 |
Maximum Linear Excursion (Xmax) (mm) | 3.8 |
Motor Force Factor (BL) (T•M) | 6.3 |
Efficiency (η₀) (%) | 0.14 |
Efficiency Bandwidth Product (EBP) (Fs/Qes) | 101.1 |
Basket Type | Stamped steel with black powder coat |
Terminal Size (mm) | 4.7 x 0.5 mm |
Voice Coil Diameter (mm) | 25.8 |
Voice Coil Wire Material | Copper |
Voice Coil Former Material | Aluminum |
Voice Coil Winding | 2 layer, single coil |
Magnet Material | Neodymium / ferrite |
Magnet Weight (g) | 12 oz ferrite + 1 oz neodymium |
Cone Body Material | Mica filled polypropylene |
Cone Surround Material | Santoprene |
Dust Cap Material | Mica filled polypropylene |
Spider Material | Woven cloth |
Net Weight (kg) | 0.96 |
Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |