Hertz DS 30.3 car audio subwoofers box offers 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.
| Size mm (in.) | 300 (12) |
| Power Handling – Continuous W | 250 |
| Power Handling – Peak W | 1000 |
| Impedance Ohm | 4 |
| Voice Coil Type | dual |
| No Filter Component | Subwoofer |
| Voice Coil Ø | 38 (1.5) |
| Frequency Response Hz | 28 ÷ 300 |
| Magnet size D x d x h mm (in.) | 115 x 50 x 25 D x d x h (in.) (4.5 x 2 x 1) |
| Weight of one component kg (lb.) | 4 (8.8) |
| Magnet | High density flux ferrite |
| Cone | Polypropylene with Mica injection |
| Xmech mm (in.) | 9 |
| D mm | 258 |
| Xmax mm | 9 |
| Re Ohm | 3,3 |
| Fs Hz | 32 |
| Le mH | 2,2 |
| Vas I | 70 |
| Mms g | 133 |
| Cms mm/N | 0,18 |
| BL T*m | 11,2 |
| Qts | 0,62 |
| Qes | 0,71 |
| Qms | 5,14 |
| Spl dB | 91 |
Physical Specs
| A | 306 mm | 12 in. |
| B | 279 mm | 11 in. |
| C | 132 mm | 5.2 in. |
| D | 120 mm | 4.7 in. |
Frequency response
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