5.25" (133 mm) 8 Ohm, Home Audio Midwoofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

The 93032 is a premium quality speaker meant for the midbass or woofer in home audio sound systems. An engineered design lets this elegant solution make detailed audio in both sealed and vented enclosures.

  • Mid-woofer
  • 5.25” (133 mm) basket diameter
  • 25 watts, 8 ohms, 86 dB SPL
  • 1" aluminum voice coil, aluminum former
  • Ferrite magnet, cast aluminum frame
  • Polypropylene cone, 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 confirm the final design.  

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More Information
Brand Name Oaktron by MISCO
Model # 133-WF08-01
Height 4.0000
Width 6.0000
Length 6.0000
Size, Nominal (inch & mm) 5.25" (133 mm)
Shape of Speaker Square
Speaker Type Mid-Bass
Application Arcade Gaming, High-End Audio and Home Theater, Home Audio, Musical Instruments
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 25 Watts
Rated impedance (Ω) 8
Power, Continuous (W) 25
Power, Program (W) 50
Frequency range (Hz) 40 - 10k
Sensitivity (dB SPL) ¹ 86
Resonant Frequency (Fs) (Hz) 49
DC resistance (Re) (Ω) 7.0
Voice Coil Inductance (Le) (mH) 0.17
Mechanical Q factor (Qms) 3.19
Electrical Q Factor (Qes) 0.60
Total Q factor (Qts) 0.50
Mechanical Resistance (Rms) (kg/s) 1.02
Compliance equivalent volume (Vas) (L) 9.10
Suspension Compliance (Cms) (mm/N) 0.89
Surface area of diaphragm (Sd) (cm²) 84.95
Moving mass (Mms) (gm) 9.33
Maximum linear excursion (Xmax) (mm) 4.9
Motor Force Factor (BL) (T•M) 6.2
Efficiency (η₀) (%) 0.25
Efficiency Bandwidth Product (EBP) (Fs/Qes) 82.21
Basket type Cast aluminum
Terminal size 6.4 x 0.8 / 4.7 x 0.5
Voice coil diameter (mm) 25.4
Voice coil wire material Copper Clad Aluminum
Voice coil former material Aluminum
Voice Coil Winding Single Layer
Magnet Material Ferrite
Magnet weight (gm) 50.8
Cone body material Polypropylene
Cone surround material Natural rubber
Dust cap material Cloth
Net weight (kg) 1.32
Technical Notes

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