Hertz Mille MP 250 D2.3 PRO
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 10″ / 250 mm |
| Resonance | 30 Hz |
| Q factor | 0.54 |
| Sensitivity | 83.4 dB |
| Linear excursion | ± 17 mm |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 5.92
- Electrical quality factor QES 0.60
- Total quality factor QTS 0.54
Large signal parameters
- Maximum linear excursion xmax 17mm
- Maximum excursion before damage xlim 27mm
- Air volume displaced at xmax VD 603cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.4Ω
- Inductance (1kHz, in series) LE 2.6mH
- VC Diameter 65mm
Magnet
- Force factor (in series) Bl 14.2N/A
- Motor constant Bl/√RE 7.7N/√W
- Diameter 165mm
- Height 35mm
- Material Ferrite
Diaphragm
- Effective diameter 213mm
- Effective area SD 355cm²
- Moving mass MMS 182g
- Moving mass (without air load) MMD 177g
- Material Pressed-pulp cone with mineral powders
Suspensions
- Stiffness KMS 7.14N/mm
- Compliance CMS 140µm/N
- Equivalent volume to the compliance VAS 25L
- Mechanical resistance RMS 5.79N·s/m
Dimensions
- Nominal diameter 10″
- 250mm
- Overall diameter 268mm
- Baffle cutout diameter 236mm
- Overall depth 160mm
- Flange thickness 19mm
- Mounting depth 141mm
- Volume occupied by the driver (estimated) 3.2L
- Net weight 8.2kg
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Export this driver to a simulation software:
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