Professional Audio Solutions Since 1949 2.5 Inch (66 mm), 4 Ohm, Wide Range Speaker
The 93005 provides an indoor, wide-range sound solution with a rear mounting design 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.
- Wide Range Speaker
- 2.5 inch (66 mm) basket diameter
- 2 watts, 4 ohms, 89 dB SPL
- 0.5 inch copper voice coil
- Ferrite magnet, stamped steel basket
- Paper cone, inverted cloth surround
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) »
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 66-WB04-02 |
| Size, Nominal (inch & mm) | 2" (50 mm) |
| Shape of Speaker | Other |
| Speaker Type | Wide Range |
| Application | Arcade Gaming, Casino Gaming, Voice Communications |
| Environment | Indoor |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 4 |
| Rated Power IEC268-5 (W) | 2 Watts |
| Rated Impedance (Ω) | 4 |
| Continuous Power (W) | 2 |
| Program Power (W) | 4 |
| Frequency Range (Hz) | 140 - 20,000 |
| Sensitivity (dB SPL) ¹ | 89 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 341 |
| DC Resistance (Re) (Ω) | 3.3 |
| Voice Coil Inductance (Le) (mH) | 0.07 |
| Mechanical Q Factor (Qms) | 8.21 |
| Electrical Q Factor (Qes) | 3.33 |
| Total Q Factor (Qts) | 2.37 |
| Mechanical Resistance (Rms) (kg/s) | 0.332 |
| Compliance Equivalent Volume (Vas) (L) | 0.11 |
| Suspension Compliance (Cms) (mm/N) | 0.17 |
| Surface Area of Diaphragm (Sd) (cm²) | 21.7 |
| Moving Mass (Mms) (gm) | 1.3 |
| Motor Force Factor (BL) (T•M) | 1.7 |
| Efficiency (η₀) (%) | 0.13 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 102.5 |
| Basket Type | Stamped steel |
| Voice Coil Diameter (mm) | 14.5288 |
| Voice Coil Wire Material | Copper |
| Voice Coil Winding | 2 layer, round wire |
| Magnet Material | Ferrite |
| Magnet Weight (g) | 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 |