8 Inch (203 mm) 8 Ohm, Premium Woofer/Subwoofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

This 8 in. woofer/subwoofer creates clear and natural low-end sound for your vehicle or home audio systems, including bookshelf enclosures or high-end home theaters. This unit sports a heavy-duty ferrite magnet, an abacá fiber cone, a double lug, quick connect terminals for series or parallel wiring. 

  • Woofer/subwoofer
  • 8 in. (203 mm) basket diameter
  • 100 watts, 8 ohms, 89 dB SPL
  • 2 in. copper voice coil, Kapton former
  • Ferrite magnet, stamped-steel basket
  • Abacá fiber cone, foam 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 # 203-WF08-04
Size, Nominal (inch & mm) 8" (203 mm)
Shape of Speaker Round
Speaker Type Woofer
Application High-End Audio and Home Theater, Home Audio
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 100 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 100
Program Power (W) 200
Frequency Range (Hz) 20 - 300
Sensitivity (dB SPL) ¹ 89
Resonant Frequency (Fs) (Hz) +/- 15% 47
DC Resistance (Re) (Ω) 6.2
Voice Coil Inductance (Le) (mH) 2.38
Mechanical Q Factor (Qms) 10.03
Electrical Q Factor (Qes) 0.42
Total Q Factor (Qts) 0.4
Mechanical Resistance (Rms) (kg/s) 1.48
Compliance Equivalent Volume (Vas) (L) 12.77
Suspension Compliance (Cms) (mm/N) 0.23
Surface Area of Diaphragm (Sd) (cm²) 198.6
Moving Mass (Mms) (gm) 50.7
Magnetic Gap Height (mm) 8.0
Coil Winding Height (mm) 19.1
Maximum Linear Excursion (Xmax) (mm) 5.5
Motor Force Factor (BL) (T•M) 14.8
Efficiency (η₀) (%) 0.3
Efficiency Bandwidth Product (EBP) (Fs/Qes) 112.4
Basket Type Stamped steel
Terminal Size (mm) 4.7 x 0.5 mm
Voice Coil Diameter (mm) 51.31
Voice Coil Wire Material High temperature copper
Voice Coil Former Material Kapton
Voice Coil Winding 2 layer, round wire
Magnet Material Ferrite
Magnet Weight (g) 1077.3
Cone Body Material Abacá fiber
Cone Surround Material Foam
Dust Cap Material Polypropylene
Spider Material Cotton
Net Weight (kg) 3.57
Technical Notes

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