6 Inch x 9 Inch (150 x 229 mm) 4 Ohm, Full Range Speaker with Whizzer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

An oval shaped full range Oaktron driver with a paper whizzer attached for clearer high frequencies—designed for line arrays, car audio systems, and voice communications. This model includes a corrugated surround to lower distortion, a 10 Oz ferrite magnet, a 1" copper voice coil, and a paper composite cone.

  • Full range speaker
  • 6 x 9" (150 mm x 229 mm) diameter basket
  • 15 watts, 4 ohms, 95 dB SPL
  • 1" copper voice coil, Kapton former
  • 10 Oz ferrite magnet
  • Paper cone, corrugated 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 are used to validate final design. 

Oaktron by MISCO is the premium line of high performance, ready-to-ship transducers for a wide variety of applications including high fidelity, musical instrument, automotive 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.

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 150X229-FR04-01
Size, Nominal (inch & mm) 6" Oval (152 mm)
Shape of Speaker Oval
Speaker Type Wide Range
Application Arcade Gaming, Auto / Motorcycle, Home Audio, Indoor, Musical Instruments, Pro Sound, Transit, Voice Communications
Environment Indoor
RoHS Compliant No
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) 40 - 18,000
Sensitivity (dB SPL) ¹ 95
Resonant Frequency (Fs) (Hz) +/- 15% 56
DC Resistance (Re) (Ω) 3.6
Voice Coil Inductance (Le) (mH) 0.38
Mechanical Q Factor (Qms) 7.04
Electrical Q Factor (Qes) 0.76
Total Q Factor (Qts) 0.69
Mechanical Resistance (Rms) (kg/s) 0.62
Compliance Equivalent Volume (Vas) (L) 46.12
Suspension Compliance (Cms) (mm/N) 0.65
Surface Area of Diaphragm (Sd) (cm²) 223.18
Moving Mass (Mms) (gm) 12.51
Maximum Linear Excursion (Xmax) (mm) 4.7
Motor Force Factor (BL) (T•M) 4.5
Efficiency (η₀) (%) 1.03
Efficiency Bandwidth Product (EBP) (Fs/Qes) 81.5
Basket Type Stamped steel with black powder coat
Terminal Size (mm) 5.2 x 0.5 mm
Voice Coil Diameter (mm) 25.8
Voice Coil Wire Material Copper
Voice Coil Former Material Kapton
Voice Coil Winding Single coil, 2 layer
Magnet Material Ferrite
Magnet Weight (g) 283.50
Cone Body Material Paper composite
Cone Surround Material Corrugated treated cloth
Dust Cap Material Paper whizzer
Spider Material Cotton
Net Weight (kg) 1.04
Technical Notes

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