Description
Subwoofer Features
HERTZ – DS30.3
The DS 30.3 car audio subwoofers box offer high efficiency and exceptional power handling. Equipped with a polypropylene membrane and butyl rubber surround, they provide high excursion with minimal distortion. An efficient cooling system ensures optimal heat dissipation, increasing their reliability.
The Dieci subwoofers are designed for use in compact sealed or reflex enclosures; thanks to an exclusive, carefully thought-out design, they can be used in any installation.
1. Polypropylene membrane stiffened with mineral powder.
2. High excursion butyl rubber surround.
3. Deep ribbing on the surface of the cone increase rigidity.
4. Very high ef ciency, with superior power handling.
5. Designed to be used in small sealed or re ex (vented) enclosures.
6. Pure copper voice coil, wound on aluminum former, for very good thermal and mechanical capacity.
7. Venting system provides better thermal dissipation and consistent performance.
Subwoofer Specifications
| SUBWOOFER SPECIFICATIONS | |||||
|---|---|---|---|---|---|
| Hertz DS30.3 Subwoofer | |||||
| GENERAL | |||||
| SIZE | 12 | ||||
| Voice Coil | Single | ||||
| DC Resistance (Ω) | 4 ohm (Ω) | ||||
| Peak Power (Watts) | 1000W | ||||
| Continuous Power (RMS) | 250W | ||||
| Sensitivity | 91dB | ||||
| Effective Frequency Range | 28 – 300 Hz | ||||
| Cone Material | Polypropylene | ||||
| Surround Material | Butyl Rubber | ||||
| X-MAX | 9 | ||||
| Thiele/Small Parameters | |||||
| Resonance Frequency (Fs) | 32 Hz | ||||
| Mechanical Q Factor (Qms) | 5.14 | ||||
| Electrical Q Factor (Qes) | 0.71 | ||||
| Total Q Factor (Qts) | 0.62 | ||||
| BOX INFORMATION | |||||
| Port Information | 3.2”x6.9″ | ||||
| Free Air | No | ||||
| Recomended Box Volume Sealed | 0.74cu ft | ||||
| Recomended Box Volume ported | 0.85 cu ft | ||||
| MOUNTING INFORMATION | |||||
| Mounting Hole Diameter | 10-15/16″ | ||||
| Top Mount Depth | 4-15/16″ | ||||
| Bottom Mount Depth | 5-13/16″ | ||||
| Weight | 9.41875 | ||||
| Grille | No | ||||
| Warranty | 2 Year | ||||
