3 Inch (77 mm) Flat Polypropylene Cone, Mini-Woofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

This 3-inch mini-woofer is perfect for audio systems looking for big sound in a small package. The 93008 sports a flat, mass-adding panel alongside the polypropylene cone needed for a woofer this size to reach the lowest of frequencies in a small vented box. This speaker fits in any new sound projects looking for compact ported enclosures, ranging from voice communications to music, medical devices, gaming cabinets, and more.

  • Mini-woofer
  • 3 inch (77 mm) basket diameter
  • 30 watts, 4 ohms, 82 dB SPL
  • Dual ferrite/neodymium magnet, stamped steel basket
  • Polypropylene cone, natural 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.   

Pair this woofer with one of our MISCO Amplifiers.


Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 77-WF04-01
Size, Nominal (inch & mm) 3" (77 mm)
Shape of Speaker Other
Speaker Type Woofer
Application Arcade Gaming, Casino Gaming, Voice Communications
Environment Outdoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 30 Watts
Rated Impedance (Ω) 4
Continuous Power (W) 30
Program Power (W) 30
Frequency Range (Hz) 74 - 2,500
Sensitivity (dB SPL) ¹ 82
Resonant Frequency (Fs) (Hz) +/- 15% 74
DC Resistance (Re) (Ω) 3.5
Voice Coil Inductance (Le) (mH) 0.40
Mechanical Q Factor (Qms) 3.38
Electrical Q Factor (Qes) 0.83
Total Q Factor (Qts) 0.67
Mechanical Resistance (Rms) (kg/s) 0.98
Compliance Equivalent Volume (Vas) (L) 0.79
Suspension Compliance (Cms) (mm/N) 0.66
Surface Area of Diaphragm (Sd) (cm²) 29.2
Moving Mass (Mms) (gm) 7.1
Motor Force Factor (BL) (T•M) 3.8
Efficiency (η₀) (%) 0.04
Efficiency Bandwidth Product (EBP) (Fs/Qes) 89.4
Basket Type Stamped Steel
Terminal Size (mm) 5.2 mm x 0.5 mm
Voice Coil Wire Material Aluminum
Voice Coil Former Material Aluminum
Voice Coil Winding 2 Layer, Round Wire
Magnet Material Ferrite / Neodymium
Magnet Weight (g) 147.7
Cone Body Material Polypropylene
Cone Surround Material Natural Rubber
Dust Cap Material Polypropylene
Net Weight (kg) 0.44
Technical Notes

¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance