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Eton ET-PRA10 – 4-Inch 2-Way Component System
The Eton ET-PRA10 is a premium 4-inch (10 cm) 2-way component system designed to deliver warm, rich sound with deep vocal clarity and impressive spatial depth. Engineered for top-tier performance in the entry-level category, it is an excellent choice for audiophiles seeking high-quality sound at an affordable price.
Key Features:
- Rib-Reinforced Paper and Glass Fiber Cone: Combines lightness and rigidity for dynamic and precise bass reproduction.
- Powder-Coated Metal Basket: The rigid, flow-optimized double-strut design with extra ventilation reduces resonance and enhances sound quality.
- Powerful Ferrite Magnet: Features a large pole core opening for efficient cooling and enhanced performance.
- 3-Ohm Impedance: Offers high efficiency, allowing use directly with factory-installed head units without the need for an additional amplifier.
- 25 mm Aluminum Dome Tweeter: Includes a textile surround for detailed sound reproduction, with a high-quality 12 dB crossover cable and surface or flush-mounted housings with tilt-and-swivel functionality.
Technical Specifications:
| Parameter | Specification | Explanation |
|---|---|---|
| Size | 4 inches / 100 mm | Diameter of the midrange/woofer driver |
| Impedance | 3 Ohms | Electrical resistance |
| Power Handling RMS | 50 W | Continuous power handling |
| Power Handling MAX | 80 W | Maximum power handling |
| Sensitivity | 90 dB (2.83V/1m) | Sound pressure level at 2.83V/1m |
| Frequency Range | 96–25,000 Hz | Reproduced frequencies |
| Mounting Depth | 45 mm | Depth required for installation |
| Mounting Hole | 91 mm | Diameter of the mounting hole |
| Outer Diameter | 100/124 mm | Total diameter of the speaker |
T/S Parameters:
| Parameter | Value | Explanation |
|---|---|---|
| Fs | 96 Hz | Resonance frequency |
| Re | 2.6 Ω | DC resistance |
| Qms | 3.1 | Mechanical quality factor |
| Qes | 0.83 | Electrical quality factor |
| Qts | 0.65 | Total quality factor |
| Vas | 1.7 L | Equivalent volume |
| Mms | 5.9 g | Total moving mass |
| BL | 3.4 Tm | Magnetic force factor |
Summary:
Designed in Germany, the Eton ET-PRA10 offers a remarkable combination of design and performance. This compact and efficient speaker system is ideal for those looking to upgrade their audio setup with precise and natural sound, all while maintaining compatibility with factory head units.