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Hertz MPS250S4 Mille PRO 10" 4 Ohm Subwoofer
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SKU:MPS250S4
Mille PRO shallow subwoofers have been designed to achieve exceptional performance even when there is very little space available to install the subwoofer box.
MPS 250 S4 is optimized to work in ultra-compact sealed boxesstarting from only 14 Lt (0.49 Cf). A typical example is a subwoofer enclosure under the rear bench of pickup trucks, where the space - and the height - are limited.
Mille PRO subwoofer have a depth/performance ratio never achieved before thanks to the impressive cone excursion capacity which is 20% higher than a traditional design.
This exceptional target has been achieved thanks to the ingenious suspension group design featuring a dedicated support structure for spider and coil. This solution has allowed to move the magnetic group inwards, reducing the depth and at the same time maximizing cone linear excursion.
eID (Elettromedia Identification)
The exclusive technology providing the traceability of the Mille.3 products from their birth on. Once the test phase has been passed, the code linked to destination country/market is applied. When purchasing the product, by scanning the code, the user can check through the web the information about the product and can log into the registration page.
Air Innovative Route
Hertz R&D has developed the proprietary AIR (Air Intercooling Revolution) technology, optimizing the fluid dynamics inside the voice coil inner chamber and the magnetic group to minimize the internal compression of air and maximize cooling capacity.
Grille
Provided with MPS 250 there is a full metal sturdy structure composed by a solid cast aluminium ring and a steel mesh black grille featuring an elegant diamond-cut Hertz Logo Mounting screws totally hidden for a superior integration within the car cabin.
Features
- Ultra-shallow overall depth
- 500W continuous power handling
- Optimized for extremely-compact sealed enclosure 12-14L (0.4-0.5CF)
- Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations
- Unrivalled mechanical excursion, +20% over traditional designs
- Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity
- Non-vented rear design allows reduced enclosure depth
- Robust screw-less mesh grille included with black screws provided
- Die-cast aluminum frame
- Solid horizontal 8AWG spring-loaded terminals
- EID: Scan, Discover, Identify
Technical Specifications
| Size mm (in.) | 250 (10) |
| Power Handling - Continuous W | 500 |
| Power Handling - Peak W | 1000 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 82,6 (3.25) |
| Voice Coil Type | single |
| No Filter Component | Subwoofers |
| Voice Coil Ø | 38 (1.5) |
| Frequency Response Hz | 25 - 400 |
| Magnet size D x d x h mm (in.) | 134 x 55 x 36 (6.28 x 2.17 x 1.42) |
| Weight of one component kg (lb.) | 5,11 (11.27) |
| Magnet | High density flux ferrite |
| Cone | Polypropylene |
| Xmech mm (in.) | 20 (0.79) |
Electro-acoustic Specs
| D mm | 216,6 |
| Xmax mm | 16,8 |
| Re Ohm | 3,3 |
| Fs Hz | 29 |
| Le mH | 3,65 |
| Vas I | 21,2 |
| Mms g | 234 |
| Cms mm/N | 0,11 |
| BL T*m | 17,3 |
| Qts | 0,48 |
| Qes | 0,52 |
| Qms | 5,6 |
| Spl dB | 83,5 |
Physical Specification
| A | 274,5 | 10.81 |
| B | 231,6 | 9.12 |
| C | 103,2 | 4.06 |
| D | 82,6 | 3.25 |
| E | 244,6 | 9.63 |
| F | 38,9 | 1.53 |
More Information
| Woofer Diameter (mm) | 250mm |
|---|---|
| Woofer Diameter (Inch) | 10 Inch |
| Mounting Diameter | 231.6mm |
| Shallow Mount | No |
| Woofer Mounting Depth | 82.6mm |
| RMS Power | 500W |
| Voice Coil | Single Voice Coil |
| Impedance | 4 Ohm |
| Sensitivity (dB) | 83.5dB |
| Frequency Response | 25Hz - 400Hz |
| Sealed Box Volume | 0.5 cu/ft (14.2-litres) |
| SKU | MPS250S4 |
| Barcode # | 8018823140300 |
| Brand | HERTZ |
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