Oberton 10M250
8Ω
Mid-range
Nominal diameter | 10″ / 262 mm |
Resonance | 76.7 Hz |
Q factor | 0.28 |
Sensitivity | 97.2 dB |
Linear excursion | ± 2.8 mm |
Program Power | 500 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.2dB
- Frequency response 70 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 76.7Hz
- Mechanical quality factor QMS 14.62
- Electrical quality factor QES 0.28
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion xmax 2.8mm
- Air volume displaced at xmax VD 87cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.1Ω
- Inductance (1kHz) LE 0.6mH
- VC Diameter 64mm
- Winding height HVC 10mm
- Winding material Aluminium
- Former material Kapton
Magnet
- Flux density B 1.4T
- Force factor Bl 16.6N/A
- Motor constant Bl/√RE 6.73N/√W
- Air gap height HAG 9mm
- Material Ferrite
Diaphragm
- Effective diameter 201mm
- Effective area SD 317cm²
- Moving mass MMS 26.8g
- Moving mass (without air load) MMD 22.5g
- Material Paper
Suspensions
- Stiffness KMS 6.21N/mm
- Compliance CMS 161µm/N
- Equivalent volume to the compliance VAS 23.1L
- Mechanical resistance RMS 0.88N·s/m
Dimensions
- Nominal diameter 10″
- 262mm
- Overall diameter 263mm
- Baffle cutout diameter 225mm
- Overall depth 123mm
- Volume occupied by the driver (estimated) 2.3L
- Net weight 6.6kg
- Frame material Die cast aluminium
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