Hertz Cento CS 250 S2
2Ω
4ΩSubwoofer
Nominal diameter | 10″ / 250 mm |
Resonance | 30 Hz |
Q factor | 0.49 |
Sensitivity | 84.6 dB |
Linear excursion | ± 12.5 mm |
Program Power | 600 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 9.40
- Electrical quality factor QES 0.52
- Total quality factor QTS 0.49
Large signal parameters
- Maximum linear excursion xmax 12.5mm
- Maximum excursion before damage xlim 16.5mm
- Air volume displaced at xmax VD 455cm³
- Power handling P 300W
- Program power Pmax 600W
Voice Coil
- Nominal impedance Z 2Ω
- DC resistance RE 2.2Ω
- Inductance (1kHz) LE 2.38mH
- VC Diameter 35mm
Magnet
- Force factor Bl 11.5N/A
- Motor constant Bl/√RE 7.75N/√W
- Diameter 120mm
- Height 34mm
- Material Ferrite
Diaphragm
- Effective diameter 216mm
- Effective area SD 364cm²
- Moving mass MMS 166g
- Moving mass (without air load) MMD 161g
- Material Polyproyilene
Suspensions
- Stiffness KMS 5.88N/mm
- Compliance CMS 170µm/N
- Equivalent volume to the compliance VAS 32L
- Mechanical resistance RMS 3.33N·s/m
Dimensions
- Nominal diameter 10″
- 250mm
- Overall diameter 270mm
- Baffle cutout diameter 231mm
- Overall depth 132mm
- Flange thickness 17mm
- Mounting depth 115mm
- Volume occupied by the driver (estimated) 1.7L
- Net weight 3.795kg
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