8 Inch (205 mm) 8 Ohm Coaxial Speaker

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

The 93086 is an 8”, 8 ohm high-power extended range music and voice speaker with a coaxially mounted PEI dome tweeter. This unique coax is ideal for high power foreground music systems and mounts into industry standard back cans.

  • Extended range music and voice speaker
  • 8" (203 mm) steel basket diameter
  • 100 watt, 8 ohm, 92 dB SPL
  • 2" copper voice coil, Kapton former
  • PEI dome tweeter, coaxially mounted
  • Paper cone, ferrite magnet

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. 

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 203-CX-0801
Size, Nominal (inch & mm) 8" (203 mm)
Shape of Speaker Round
Speaker Type Coaxial
Application Voice Communications
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) 35 - 20,000
Sensitivity (dB SPL) ¹ 92
Resonant Frequency (Fs) (Hz) +/- 15% 47
DC Resistance (Re) (Ω) 5.7
Voice Coil Inductance (Le) (mH) 0.85
Mechanical Q Factor (Qms) 16.59
Electrical Q Factor (Qes) 0.39
Total Q Factor (Qts) 0.29
Mechanical Resistance (Rms) (kg/s) 0.55
Compliance Equivalent Volume (Vas) (L) 25.06
Suspension Compliance (Cms) (mm/N) 0.34
Surface Area of Diaphragm (Sd) (cm²) 226.98
Moving Mass (Mms) (gm) 28.37
Motor Force Factor (BL) (T•M) 11.5
Efficiency (η₀) (%) 0.81
Efficiency Bandwidth Product (EBP) (Fs/Qes) 119.59
Basket Type Stamped steel
Terminal Size (mm) 2.8 x 0.5
Voice Coil Diameter (mm) 51
Voice Coil Wire Material High temperature copper
Voice Coil Former Material Kapton
Voice Coil Winding Single Layer
Magnet Material Ferrite
Magnet Weight (g) 1077.3
Cone Body Material Paper composite
Cone Surround Material Natural rubber
Dust Cap Material Felt
Net Weight (kg) 3.63
Technical Notes

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