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

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This 3” 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, to medical devices, to gaming cabinets, and beyond.

  • Mini-Woofer
  • 3” (77 mm) Basket Diameter
  • 30 Watts, 4 Ohms
  • Dual Powered Magnet
  • Polypropylene Cone
  • Steel-Stamped Basket

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.   



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More Information
Model # 77-WF04-01
Height 2.0000
Width 4.0000
Length 4.0000
Size, Nominal (inch & mm) 3" (77 mm)
Shape of Speaker Other
Speaker Type Woofer
Application Arcade Gaming, Casino Gaming, Medical, Musical Instruments, Voice Communications
Environment Outdoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 30 Watts
Rated impedance (Ω) 4
Power, Continuous (W) 30
Power, Program (W) 30
Frequency range (Hz) 74 - 2.5k
Sensitivity (dB SPL) ¹ 82
Resonant Frequency (Fs) (Hz) 74
DC resistance (Re) (Ω) 3.53
Voice Coil Inductance (Le) (mH) 0.403
Mechanical Q factor (Qms) 3.375
Electrical Q Factor (Qes) 0.828
Total Q factor (Qts) 0.67
Mechanical Resistance (Rms) (kg/s) 0.977
Compliance equivalent volume (Vas) (L) 0.7912
Suspension Compliance (Cms) (mm/N) 0.655
Surface area of diaphragm (Sd) (cm²) 29.22
Moving mass (Mms) (gm) 7.124
Motor Force Factor (BL) (T•M) 3.753
Efficiency (η₀) (%) 0.037
Efficiency Bandwidth Product (EBP) (Fs/Qes) 89.37198068
Basket type Stamped Steel
Terminal size 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 (gm) 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