6.5" (165 mm) 4 Ohm, Mid-Woofer

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The 93084 is a 6.5” mid-woofer ideal for your next vehicle or home audio project. Experience high-quality sound, thanks to this driver’s polypropylene cone -- creating a flat response, low coloration, and notable efficiency. A durable santoprene rubber surround also provides this driver with long-lasting protection against harmful UV rays and extreme temperatures, giving you a wider choice of where you can enjoy your sound systems.

  • Mid-Woofer
  • 6.5” (165 mm) Basket Diameter
  • 50 Watts, 4 Ohms
  • Polypropylene Cone
  • Santoprene Rubber Surround
  • Ferrite Magnet with Vented Pole Piece
  • Polarized Terminals

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
Model # 165-WF04-04
Height 4.0000
Width 7.0000
Length 7.0000
Size, Nominal (inch & mm) 6.5" (165 mm)
Shape of Speaker Round
Speaker Type Woofer
Application High-End Audio and Home Theater, Home Audio
Environment Outdoor / Indoor
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 50 Watts
Rated impedance (Ω) 4
Power, Continuous (W) 50
Power, Program (W) 100
Frequency range (Hz) 65 - 20k
Sensitivity (dB SPL) ¹ 87
Resonant Frequency (Fs) (Hz) 61
DC resistance (Re) (Ω) 3.47
Voice Coil Inductance (Le) (mH) 0.324
Mechanical Q factor (Qms) 14.313
Electrical Q Factor (Qes) 1.027
Total Q factor (Qts) 0.96
Mechanical Resistance (Rms) (kg/s) 0.44
Compliance equivalent volume (Vas) (L) 10.3441
Suspension Compliance (Cms) (mm/N) 0.415
Surface area of diaphragm (Sd) (cm²) 132.73
Moving mass (Mms) (gm) 16.481
Magnetic Gap Height (mm) 4.5
Coil winding height (mm) 12.7
Maximum linear excursion (Xmax) (mm) 4.1
Motor Force Factor (BL) (T•M) 4.617
Efficiency (η₀) (%) 0.218
Efficiency Bandwidth Product (EBP) (Fs/Qes) 59.3962999
Basket type Stamped Steel
Terminal size 6.4 mm x 0.8 mm / 4.8 mm x 0.5 mm
Voice coil diameter (mm) 25.81
Voice coil wire material High Temperature Copper
Voice coil former material Kapton
Voice Coil Winding 2 Layer, Round Wire
Magnet Material Ferrite
Magnet weight (gm) 340.2
Cone body material Polypropylene
Cone surround material Santoprene Rubber
Dust cap material Polypropylene
Net weight (kg) 2.27
Technical Notes

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