8 Inch (203 mm), 8 Ohm Extended Range Speaker with Whizzer
Brand Name
Oaktron by MISCO
Model #
OK8
Part #
93119
In stock
$34.99
The OK8 is a commercial extended range, 8" speaker made for paging systems, voice communications, and background music applications. Increase your sound system's high frequency dispersion with this driver's whizzer cone attached directly to the voice coil.
- Extended range speaker with whizzer
- 8" (203 mm) steel basket diameter
- 15 watts, 8 ohm, 90 dB SPL
- 1" copper voice coil, aluminum former
- Paper cone and whizzer, ferrite magnet
Download Product Specifications (PDF) »
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | OK8 |
| Size, Nominal (inch & mm) | 8" (203 mm) |
| Shape of Speaker | Round |
| Speaker Type | Wide Range |
| Application | Commercial, Indoor, Voice Communications |
| Environment | Indoor |
| RoHS Compliant | No |
| Nominal Impedance (Z) (Ω) | 8 |
| Rated Power IEC268-5 (W) | 15 Watts |
| Rated Impedance (Ω) | 8 |
| Continuous Power (W) | 15 |
| Program Power (W) | 30 |
| Frequency Range (Hz) | 40 - 18,000 |
| Sensitivity (dB SPL) ¹ | 90 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 90 |
| DC Resistance (Re) (Ω) | 7.3 |
| Voice Coil Inductance (Le) (mH) | 0.27 |
| Mechanical Q Factor (Qms) | 9.28 |
| Electrical Q Factor (Qes) | 0.87 |
| Total Q Factor (Qts) | 0.79 |
| Mechanical Resistance (Rms) (kg/s) | 0.47 |
| Compliance Equivalent Volume (Vas) (L) | 15.5 |
| Suspension Compliance (Cms) (mm/N) | 0.39 |
| Surface Area of Diaphragm (Sd) (cm²) | 219.0 |
| Moving Mass (Mms) (gm) | 7.53 |
| Maximum Linear Excursion (Xmax) (mm) | 1.1 |
| Motor Force Factor (BL) (T•M) | 6.08 |
| Efficiency (η₀) (%) | 2.6 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 103.45 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 4.8 x 0.5 |
| Voice Coil Diameter (mm) | 25.4 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Aluminum |
| Voice Coil Winding | Single Layer |
| Magnet Material | Ferrite |
| Magnet Weight (g) | 283.5 |
| Cone Body Material | Paper composite |
| Dust Cap Material | Paper whizzer |
| Spider Material | Cotton |
| Net Weight (kg) | 0.9 |
| Technical Notes | ¹ Sensitivity is measure with 2.83 volt input, measured on-axis at 1 meter distance
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