Professional Audio Solutions Since 1949 3 Inch x 5 Inch (77 mm x 127 mm) 4 Ohm, Wide Range Speaker
High intelligibility for your two-way radio system: The 93088 wide range speaker driver delivers the clear sound you need for any trusted communications application, sporting a design to emit strong voice fundamentals, and a high-energy neodymium magnet to produce powerful results. Fit this 3” x 5” driver into compact enclosures, thanks to a slim, oval shaped steel frame.
- Wide range speaker
- 3” x 5” (77 mm x 127 mm) basket diameter
- 15 watts, 4 ohms, 90 dB SPL
- 0.8" copper voice coil, aluminum former
- Neodymium magnet, stamped steel basket
- Paper cone, treated 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 # | 77X127-VB04-01 |
| Size, Nominal (inch & mm) | 3" Oval (77 mm) |
| Shape of Speaker | Oval |
| Speaker Type | Wide Range |
| Application | Voice Communications |
| Environment | Indoor |
| RoHS Compliant | Yes |
| 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) | 100 - 20,000 |
| Sensitivity (dB SPL) ¹ | 90 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 230 |
| DC Resistance (Re) (Ω) | 3.1 |
| Voice Coil Inductance (Le) (mH) | 0.07 |
| Mechanical Q Factor (Qms) | 3.09 |
| Electrical Q Factor (Qes) | 1.27 |
| Total Q Factor (Qts) | 0.9 |
| Mechanical Resistance (Rms) (kg/s) | 1.61 |
| Compliance Equivalent Volume (Vas) (L) | 0.81 |
| Suspension Compliance (Cms) (mm/N) | 0.14 |
| Surface Area of Diaphragm (Sd) (cm²) | 64.3 |
| Moving Mass (Mms) (gm) | 3.4 |
| Magnetic Gap Height (mm) | 2.78 |
| Coil Winding Height (mm) | 4.9 |
| Maximum Linear Excursion (Xmax) (mm) | 1.00 |
| Motor Force Factor (BL) (T•M) | 3.5 |
| Efficiency (η₀) (%) | 0.75 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 181.7 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | Solder lugs |
| Voice Coil Diameter (mm) | 19.38 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Aluminum |
| Voice Coil Winding | 2 layer, round wire |
| Magnet Material | Neodymium |
| Magnet Weight (g) | 11.62 |
| Cone Body Material | Paper |
| Cone Surround Material | Treated cloth |
| Dust Cap Material | Paper |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |