6.5 Inch (165 mm) 8 Ohm Coaxial Speaker

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

The 93083 is a high-power, 6.5” coaxial, 8 ohm speaker with a mounted PEI dome tweeter for extended range music and voice audio. A powerful ferrite magnet, sturdy steel frame, and durable polypropylene cone come together to make a reliable solution for background or foreground music.

  • Extended voice and music speaker
  • 6.5" (165 mm) steel basket diameter
  • 30 watt, 8 ohm, 88 dB SPL
  • 1" copper voice coil, Kapton former
  • PEI dome tweeter, coaxially mounted 
  • Polypropylene 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 # 165-CX08-02
Size, Nominal (inch & mm) 6" (152 mm)
Shape of Speaker Round
Speaker Type Coaxial
Application Voice Communications
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 30 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 30
Program Power (W) 60
Frequency Range (Hz) 45 - 20,000
Sensitivity (dB SPL) ¹ 88
Resonant Frequency (Fs) (Hz) +/- 15% 70
DC Resistance (Re) (Ω) 6.8
Voice Coil Inductance (Le) (mH) 0.43
Mechanical Q Factor (Qms) 7.30
Electrical Q Factor (Qes) 1.08
Total Q Factor (Qts) 0.94
Mechanical Resistance (Rms) (kg/s) 0.74
Compliance Equivalent Volume (Vas) (L) 10.80
Suspension Compliance (Cms) (mm/N) 0.42
Surface Area of Diaphragm (Sd) (cm²) 134.78
Moving Mass (Mms) (gm) 12.17
Motor Force Factor (BL) (T•M) 5.8
Efficiency (η₀) (%) 0.34
Basket Type Stamped steel
Terminal Size (mm) 2.8 x 0.5
Voice Coil Diameter (mm) 25.781
Voice Coil Wire Material High temperature copper
Voice Coil Former Material Kapton
Voice Coil Winding Single Layer
Magnet Material Ferrite
Magnet Weight (g) 136.08
Cone Body Material Polypropylene
Cone Surround Material Foam
Dust Cap Material Felt
Net Weight (kg) 1.08
Technical Notes

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