2.5" (66 mm) Rear Mountable, RoHS, Wide Range Speaker

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Are you looking for indoor, wide range sound? Need a speaker made for rear mounting in your voice communication applications or music systems?  Need something RoHS compliant? The 93006 provides each of these, all at an affordable price. A ferrite magnet and steel basket with a paper cone make this speaker ideal for gaming cabinets, medical devices, and music systems. Pair that with the option for easy rear mounting, thanks to a special inverted cloth surround and a set of quick-connect terminals, and you have a 2.5” speaker ready to drop in and do work.

  • Wide Range Speaker
  • 2.5” (66 mm) Basket Diameter
  • 2 Watts, 4 Ohms
  • RoHS Compliant
  • Inverted Cloth Surround
  • Quick-Connect 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 # 66-WB08-01
Height 2.0000
Width 2.5000
Length 2.5000
Shape of Speaker Other
Speaker Type Wide Range Speaker
Application Arcade Gaming, Casino Gaming, Musical Instruments, Voice Communications
Environment Indoor
RoHS Compliant No
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 2 Watts
Rated impedance (Ω) 4
Power, Continuous (W) 2
Power, Program (W) 4
Frequency range (Hz) 140 - 20kHz
Sensitivity (dB SPL) ¹ 89
Resonant Frequency (Fs) (Hz) 341
DC resistance (Re) (Ω) 3.33
Voice Coil Inductance (Le) (mH) 0.07
Mechanical Q factor (Qms) 8.205
Electrical Q Factor (Qes) 3.326
Total Q factor (Qts) 2.37
Mechanical Resistance (Rms) (kg/s) 0.332
Compliance equivalent volume (Vas) (L) 0.1137
Suspension Compliance (Cms) (mm/N) 0.171
Surface area of diaphragm (Sd) (cm²) 21.65
Moving mass (Mms) (gm) 1.269
Motor Force Factor (BL) (T•M) 1.651
Efficiency (η₀) (%) 0.131
Efficiency Bandwidth Product (EBP) (Fs/Qes) 102.5255562
Basket type Stamped Steel
Voice coil diameter (mm) 14.5288
Voice coil wire material High Temperature Copper
Voice Coil Winding 2 Layer, Round Wire
Magnet Material Ferrite
Magnet weight (gm) 49.04
Cone body material Paper
Net weight (kg) 0.14
Technical Notes

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