1 Inch (31 mm), 8 Ohm Wide Range Speaker
Brand Name
Oaktron by MISCO
Model #
31-FR08-01
Part #
93126
Built to Order
$29.99
A compact one-inch, bottle-cap-sized driver for voice communication and small radio applications. This model's neodymium magnet and black anodized aluminum cone create a clear, high-power sound without extra ringing. For tight-fitting applications, this speaker has a set of mounting holes to simplify and secure installation into cabinets, enclosures, and sound systems alike.
- Wide range speaker
- 1.2 inch (31 mm) basket diameter
- 3 watts, 8 ohm, 76 dB SPL
- 0.7 inch copper voice coil, paper former
- Neodymium magnet, stamped steel basket
- Anodized aluminum cone, NBR rubber surround
Download Product Specifications (PDF) »
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 31-FR08-01 |
| Size, Nominal (inch & mm) | 1" (25 mm) |
| Shape of Speaker | Round |
| Speaker Type | Wide Range |
| Application | Indoor, Voice Communications |
| Environment | Indoor |
| RoHS Compliant | Yes |
| IP Rating | IP67 |
| Nominal Impedance (Z) (Ω) | 8 |
| Rated Power IEC268-5 (W) | 3 Watts |
| Rated Impedance (Ω) | 8 |
| Continuous Power (W) | 3 |
| Program Power (W) | 6 |
| Frequency Range (Hz) | 180 - 20,000 |
| Sensitivity (dB SPL) ¹ | 76 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 180 |
| DC Resistance (Re) (Ω) | 7.54 |
| Voice Coil Inductance (Le) (mH) | 0.14 |
| Mechanical Q Factor (Qms) | 1.07 |
| Electrical Q Factor (Qes) | 0.95 |
| Total Q Factor (Qts) | 0.50 |
| Mechanical Resistance (Rms) (kg/s) | 0.72 |
| Compliance Equivalent Volume (Vas) (L) | 0.03 |
| Suspension Compliance (Cms) (mm/N) | 1.0 |
| Surface Area of Diaphragm (Sd) (cm²) | 4.91 |
| Moving Mass (Mms) (gm) | 0.6 |
| Motor Force Factor (BL) (T•M) | 2.48 |
| Efficiency (η₀) (%) | 0.03 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 189.9 |
| Basket Type | Stamped Steel with Zinc Plating |
| Terminal Size (mm) | 3.6 x 0.5 |
| Voice Coil Diameter (mm) | 17.8 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Paper |
| Voice Coil Winding | Single Layer |
| Magnet Material | Neodymium |
| Magnet Weight (g) | 8.22 |
| Cone Body Material | Black anodized aluminum |
| Cone Surround Material | NBR rubber |
| Dust Cap Material | Aluminum |
| Net Weight (kg) | 0.03 |
| Technical Notes | ¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |


