2 Inch (50 mm) Wide Range Speaker, Shielded Magnet

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

A football-shaped wide-range speaker with a shielded magnet—ideal for voice communications and signal/alarm systems like medical devices, gaming cabinets, and measurement hardware requiring a high-reliability audio solution. This 8 ohm, 2" driver includes a 0.8 Oz ferrite magnet, a paper composite cone, and a treated cloth surround.

  • Wide range speaker
  • 2 inch (50 mm) steel basket diameter
  • 3 watts, 8 ohm, 83 dB SPL
  • 0.8 Oz shielded ferrite magnet
  • Paper cone, treated cloth surround

Oaktron by MISCO is a premium line of high-performance, ready-to-ship transducers and drivers for various 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, an Oaktron loudspeaker perfectly suits 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 and the Klippel QC module to ensure perfect unit-to-unit consistency and reliability.   

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More Information
Brand Name Oaktron by MISCO
Model # 50-WB08-01
Size, Nominal (inch & mm) 2" (50 mm)
Shape of Speaker Other
Speaker Type Wide Range
Application Arcade Gaming, Casino Gaming, Medical, Voice Communications
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 3 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 3
Program Power (W) 5
Frequency Range (Hz) 90 - 20,000
Sensitivity (dB SPL) ¹ 83
Resonant Frequency (Fs) (Hz) +/- 15% 187
DC Resistance (Re) (Ω) 7.6
Voice Coil Inductance (Le) (mH) 0.15
Mechanical Q Factor (Qms) 3.93
Electrical Q Factor (Qes) 2.19
Total Q Factor (Qts) 1.41
Mechanical Resistance (Rms) (kg/s) 0.32
Compliance Equivalent Volume (Vas) (L) 0.13
Suspension Compliance (Cms) (mm/N) 0.59
Surface Area of Diaphragm (Sd) (cm²) 12.57
Moving Mass (Mms) (gm) 0.93
Motor Force Factor (BL) (T•M) 2.08
Efficiency (η₀) (%) 0.06
Efficiency Bandwidth Product (EBP) (Fs/Qes) 85.23
Basket Type Stamped Steel
Terminal Size (mm) 2.8 X 0.5
Voice Coil Wire Material Copper clad steel
Voice Coil Winding 2 Layer, Round Wire
Magnet Material Ferrite
Magnet Weight (g) 21.55
Cone Body Material Paper
Cone Surround Material Treated cloth
Dust Cap Material Paper
Spider Material Cotton
Net Weight (kg) 0.11
Technical Notes

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