10 Inch (250 mm) 8 Ohm Woofer/Subwoofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

This 200-Watt woofer is the dual magnet, 10-inch "workhorse" woofer. It was designed for a wide variety of systems - subs, three-way or two-way system enclosures. There are many products into which this could be a drop in replacement physically and mechanically.   Convenient 8 hole mounting. This speaker is front or rear mountable. 

  • Woofer / subwoofer
  • 10" (250 mm) basket diameter
  • 100 watts, 8 ohms, 91 dB SPL
  • 2" aluminum voice coil, polyimide film former
  • Ferrite magnet, stamped-steel basket
  • Polypropylene cone, NBR rubber surround

MISCO engineers test and analyze the performance of these speakers using the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer and the Klippel QC, which are used to validate final design.  Oaktron by MISCO is the premium line of high performance, ready-to-ship transducers for a wide variety of applications including high fidelity, musical instrument, automotive 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.

Pair this woofer with one of our MISCO Amplifiers.

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 250-WF08-03
Size, Nominal (inch & mm) 10" (250 mm)
Shape of Speaker Round
Speaker Type Woofer
Application High-End Audio and Home Theater, Home Audio
Environment Indoor
RoHS Compliant No
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 - 2,000
Sensitivity (dB SPL) ¹ 91
Resonant Frequency (Fs) (Hz) +/- 15% 29
DC Resistance (Re) (Ω) 7.0
Voice Coil Inductance (Le) (mH) 1.58
Mechanical Q Factor (Qms) 13.68
Electrical Q Factor (Qes) 0.44
Total Q Factor (Qts) 0.43
Mechanical Resistance (Rms) (kg/s) 0.60
Compliance Equivalent Volume (Vas) (L) 111.27
Suspension Compliance (Cms) (mm/N) 0.67
Surface Area of Diaphragm (Sd) (cm²) 343.1
Moving Mass (Mms) (gm) 45.5
Magnetic Gap Height (mm) 7.9
Coil Winding Height (mm) 23.6
Maximum Linear Excursion (Xmax) (mm) 7.9
Motor Force Factor (BL) (T•M) 11.5
Efficiency (η₀) (%) 0.58
Efficiency Bandwidth Product (EBP) (Fs/Qes) 65.7
Basket Type Stamped Steel, black powder coat finish
Terminal Size (mm) 5.2 x 0.5 mm
Voice Coil Diameter (mm) 51.3
Voice Coil Wire Material Copper clad aluminum
Voice Coil Former Material Polyimide film
Voice Coil Winding Single coil, two layers
Magnet Material Ferrite
Magnet Weight (g) 2166
Cone Body Material Mica filled polypropylene
Cone Surround Material NBR
Dust Cap Material Mica filled polypropylene
Spider Material Conex
Net Weight (kg) 4.43
Technical Notes

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