3 Inch (77 mm) 8 Ohm, Full Range Speaker

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

This full range speaker provides a reliable weather-resistant solution for voice, music, and gaming audio projects. A heavy-duty ferrite magnet and treated paper cone supports this driver's powerful outputs, and a protective foam surround and gasket ensure this driver's longevity despite prolonged exposure to water and moisture-filled environments.

  • Full range speaker
  • 3 in. (77 mm) steel basket diameter
  • 10 watts, 8 ohm, 86 dB SPL
  • 1 in. copper voice coil, paper former
  • 3.6 Oz. ferrite magnet
  • Paper cone, foam surround

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More Information
Brand Name Oaktron by MISCO
Model # 77SF08-3WP
Size, Nominal (inch & mm) 3" (77 mm)
Shape of Speaker Other
Speaker Type Full Range
Application Arcade Gaming, Casino Gaming, Drive-Thru / Kiosk, Voice Communications
Environment Outdoor / Indoor
RoHS Compliant No
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 10 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 10
Program Power (W) 20
Frequency Range (Hz) 100 - 20,000
Sensitivity (dB SPL) ¹ 86
Resonant Frequency (Fs) (Hz) +/- 15% 130
DC Resistance (Re) (Ω) 6.7
Mechanical Q Factor (Qms) 3.1
Electrical Q Factor (Qes) 1.1
Total Q Factor (Qts) 0.8
Basket Type Stamped steel
Terminal Size (mm) 5.2 x 0.5 / 2.8 x 0.5
Voice Coil Diameter (mm) 20.3
Voice Coil Wire Material Copper
Voice Coil Former Material Paper
Voice Coil Winding Single Layer
Magnet Material Ferrite
Magnet Weight (g) 102.06
Cone Body Material Paper
Cone Surround Material Foam
Dust Cap Material Mylar
Net Weight (kg) 0.31
Technical Notes

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