1.2 Inch (31 mm) 12 Ohm, Wide Range Speaker
Brand Name
MISCO OEM
Part #
31RN12-3
Built to Order
$14.99
This bottle-cap sized driver makes wide range sound in compact enclosures. Its size and weight are ideal for speaker phones and smart devices. A black, anodized aluminum cone creates clear sound without extra ringing. Increase your device’s electrical signal by wiring this speaker in a parallel set of three to decrease its electrical impedance to 4 ohms. This speaker puts powerful and versatile sound into the palm of your hand.
- Wide range speaker
- 1.2" (31 mm) basket diameter
- 1 watt, 12 ohms, 78 dB SPL
- 0.7" copper voice coil, paper former
- Neodymium magnet, stamped steel basket
- Anodized aluminum cone, polyether foam surround
Download Product Specifications (PDF) »
| Brand Name | MISCO OEM |
|---|---|
| Speaker Type | Wide Range |
| Shape of Speaker | Round |
| Size, Nominal (inch & mm) | 1" (25 mm) |
| Environment | Indoor |
| Application | Indoor, Smart Device |
| RoHS Compliant | Yes |
| Rated Impedance (Ω) | 12 |
| Rated Power IEC268-5 (W) | 1 Watt |
| Program Power (W) | 2 |
| Sensitivity (dB SPL) ¹ | 78 |
| Frequency Range (Hz) | 250 - 20,000 |
| DC Resistance (Re) (Ω) | 12.1 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 250 |
| Mechanical Q Factor (Qms) | 4.7 |
| Electrical Q Factor (Qes) | 0.85 |
| Total Q Factor (Qts) | 0.74 |
| 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 |
| Magnet Material | Neodymium |
| Magnet Weight (g) | 8.22 |
| Cone Body Material | Black anodized aluminum |
| Cone Surround Material | Polyether foam |
| 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 |

