5" x 7" (127 mm x 179 mm) 4 Ohm, Wide Range Speaker

Brand Name
Oaktron by MISCO
Model #
127X179-FR04-01
Part #
93090
In stock
$26.49

The 93090 wide range speaker serves as a durable replacement driver for car audio systems. This Oaktron speaker delivers crisp upper frequencies, thanks to its secondary high frequency paper cone, and a large ferrite magnet.

  • Wide range speaker
  • 5” x 7” (127 mm x 179 mm) basket diameter
  • 15 watts, 4 ohms, 95 dB SPL
  • 1" copper voice coil, aluminum former
  • Ferrite magnet, stamped-steel basket
  • Paper cone, treated cloth 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.   

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 127X179-FR04-01
Size, Nominal (inch & mm) 5" x 7" (127 mm x 179 mm)
Shape of Speaker Oval
Speaker Type Wide Range
Application Commercial, Home Audio
Environment Outdoor / Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 15 Watts
Rated Impedance (Ω) 4
Continuous Power (W) 15
Program Power (W) 30
Frequency Range (Hz) 75 - 12,000
Sensitivity (dB SPL) ¹ 95
Resonant Frequency (Fs) (Hz) 121
DC Resistance (Re) (Ω) 3.4
Voice Coil Inductance (Le) (mH) 0.14
Mechanical Q Factor (Qms) 3.71
Electrical Q Factor (Qes) 1.04
Total Q Factor (Qts) 0.81
Mechanical Resistance (Rms) (kg/s) 1.30
Compliance Equivalent Volume (Vas) (L) 5.96
Suspension Compliance (Cms) (mm/N) 0.27
Surface Area of Diaphragm (Sd) (cm²) 124.1
Moving Mass (Mms) (gm) 6.4
Magnetic Gap Height (mm) 4.5
Coil Winding Height (mm) 6
Maximum Linear Excursion (Xmax) (mm) 0.8
Motor Force Factor (BL) (T•M) 4.0
Efficiency (η₀) (%) 0.97
Efficiency Bandwidth Product (EBP) (Fs/Qes) 116.5
Basket Type Stamped steel
Terminal Size (mm) 14.3 x 3.2
Voice Coil Diameter (mm) 25.8
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Voice Coil Winding 2 layer, round wire
Magnet Material Ferrite
Magnet Weight (gm) 283.5
Cone Body Material Paper
Cone Surround Material Treated cloth
Dust Cap Material Paper
Net Weight (kg) 0.85
Technical Notes

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