2" x 3.5" (50 mm x 90 mm) Oval Shaped Wide Range Speaker

Model #
Part #
In stock
  • Buy 1 - 0$9.59

Need a wide range speaker designed for clear sound and reliability? Looking for something you can easily install into your sound systems? Then this is the speaker you need. A dual neodymium magnet provides this driver ample output for a variety of applications, including voice communications, casino and arcade cabinets, and kiosks. Hook this speaker up with ease as well, thanks to the set of polarized terminals attached to this driver’s compact, yet solid steel frame. If you want strength within your sound, choose the 93018

  • Wide Range Speaker
  • 2” x 3.5” (50 mm x 90 mm) Basket Diameter
  • 9 Watts, 8 Ohms
  • High-Power Dual Neodymium Magnet
  • Polarized Terminals
  • 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.   

Download Product Specifications (PDF) »

More Information
Model # 50X90-WB08-02
Height 2.0000
Width 2.0000
Length 4.0000
Size, Nominal (inch & mm) 2" x 3.5" (51 mm x 89 mm)
Shape of Speaker Oval
Speaker Type Wide Range Speaker
Application Arcade Gaming, Casino Gaming, Indoor, Kiosk, Voice Communications
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 9 watts
Rated impedance (Ω) 8
Power, Continuous (W) 9
Power, Program (W) 18
Frequency range (Hz) 258 - 20k
Sensitivity (dB SPL) ¹ 88
Resonant Frequency (Fs) (Hz) 258
DC resistance (Re) (Ω) 3.85
Voice Coil Inductance (Le) (mH) 0.096
Mechanical Q factor (Qms) 3.53
Electrical Q Factor (Qes) 1.583
Total Q factor (Qts) 1.09
Mechanical Resistance (Rms) (kg/s) 0.745
Compliance equivalent volume (Vas) (L) 0.1536
Suspension Compliance (Cms) (mm/N) 0.235
Surface area of diaphragm (Sd) (cm²) 21.49
Moving mass (Mms) (gm) 1.624
Motor Force Factor (BL) (T•M) 2.527
Efficiency (η₀) (%) 0.159
Efficiency Bandwidth Product (EBP) (Fs/Qes) 162.9816804
Basket type Stamped Steel
Voice Coil Winding Single Layer
Magnet Material Neodymium
Cone body material Paper
Net weight (kg) 0.13
Technical Notes

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