4.5" (114 mm) 8 Ohm, Wide Range Speaker

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Looking for a speaker or replacement mid-range driver meant for pro-audio sound? Want a durable, high sensitivity speaker treated for improved smoothness in your speaker system? Then choose the 93079. This mid-range driver contains a powerful ferrite magnet, paper cone, and vinyl treated cloth surround to give you the highly intelligible sounds you need; all in a self-enclosed basket for easy system integration to give you a quality mid-range for your system.

  • Mid-range speaker
  • 4.5” (114 mm) basket diameter
  • 15 watts, 8 ohms
  • Ferrite magnet
  • Paper cone
  • Cloth surround
  • Steel-stamped basket

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 # 127-MR08-01
Height 3.0000
Width 6.0000
Length 6.0000
Size, Nominal (inch & mm) 4.5" (114 mm)
Shape of Speaker Round
Speaker Type Wide Range Speaker
Application Pro Sound
Environment Indoor
RoHS Compliant No
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 15 Watts
Rated impedance (Ω) 8
Power, Continuous (W) 15
Power, Program (W) 30
Frequency range (Hz) 400 - 8,000
Sensitivity (dB SPL) ¹ 100
Resonant Frequency (Fs) (Hz) 478
DC resistance (Re) (Ω) 6.8
Voice Coil Inductance (Le) (mH) 0.001
Mechanical Q factor (Qms) 1.89
Electrical Q Factor (Qes) 7.78
Total Q factor (Qts) 1.78
Mechanical Resistance (Rms) (kg/s) 3.41
Compliance equivalent volume (Vas) (L) 0.14
Suspension Compliance (Cms) (mm/N) 1.51
Surface area of diaphragm (Sd) (cm²) 58.09
Moving mass (Mms) (gm) 3.91
Magnetic Gap Height (mm) 4.5
Coil winding height (mm) 6.4
Maximum linear excursion (Xmax) (mm) 0.9
Motor Force Factor (BL) (T•M) 5.9
Efficiency (η₀) (%) 0.14
Efficiency Bandwidth Product (EBP) (Fs/Qes) 61.48
Basket type Stamped steel
Terminal size Solder lugs
Voice coil diameter (mm) 25.81
Voice coil wire material High temperature 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
Spider Material Cotton
Net weight (kg) 0.86
Technical Notes

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