7 Inch (179 mm) 8 Ohm, Replacement Woofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

Choose the Oaktron 93041 for a prime 7 in. replacement driver for home audio and studio monitor systems within either sealed or vented enclosures. A cast aluminum basket, light-weight paper cone, cloth surround, and a heavy-duty ferrite magnet create consistent hi-fi sound for your next audio project.

  • Woofer
  • 5.25 in. (133 mm) basket diameter
  • 50 watts, 8 ohms, 92 dB SPL
  • 1.5 in. copper voice coil, Nomex former
  • Ferrite magnet cast aluminum basket
  • Paper cone, cloth 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 confirm the final design.  

Pair this woofer with one of our MISCO Amplifiers.

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 179-WF08-01
Size, Nominal (inch & mm) 7" (178 mm)
Shape of Speaker Square
Speaker Type Woofer
Application Home Audio, Musical Instruments
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 50 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 50
Program Power (W) 100
Frequency Range (Hz) 40 - 7,000
Sensitivity (dB SPL) ¹ 92
Resonant Frequency (Fs) (Hz) +/- 15% 41
DC Resistance (Re) (Ω) 6.7
Voice Coil Inductance (Le) (mH) 0.75
Mechanical Q Factor (Qms) 9.95
Electrical Q Factor (Qes) 0.53
Total Q Factor (Qts) 0.50
Mechanical Resistance (Rms) (kg/s) 0.37
Compliance Equivalent Volume (Vas) (L) 41.31
Suspension Compliance (Cms) (mm/N) 1.07
Surface Area of Diaphragm (Sd) (cm²) 165.1
Moving Mass (Mms) (gm) 14.2
Magnetic Gap Height (mm) 6.4
Coil Winding Height (mm) 13.3
Maximum Linear Excursion (Xmax) (mm) 3.5
Motor Force Factor (BL) (T•M) 6.8
Efficiency (η₀) (%) 0.51
Efficiency Bandwidth Product (EBP) (Fs/Qes) 78.0
Basket Type Cast aluminum
Terminal Size (mm) 6.4 x 0.8 / 4.7 x 0.5
Voice Coil Diameter (mm) 38.6588
Voice Coil Wire Material Copper
Voice Coil Former Material Nomex
Voice Coil Winding Single layer
Magnet Material Ferrite
Magnet Weight (g) 567
Cone Body Material Paper
Cone Surround Material Treated cloth
Dust Cap Material Paper
Net Weight (kg) 2.21
Technical Notes

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