Oberton 12HCX
8Ω
Coaxial
| Nominal diameter | 12″ / 315 mm |
| Resonance | 52.6 Hz |
| Q factor | 0.33 |
| Sensitivity | 95.3 dB |
| Linear excursion | ± 5.3 mm |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.3dB
- Frequency response 60 - 16000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 52.6Hz
- Mechanical quality factor QMS 5.75
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion xmax 5.3mm
- Air volume displaced at xmax VD 270cm³
- Power handling P 350W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 0.61mH
- VC Diameter 77mm
- Winding height HVC 15mm
- Winding material Aluminium
- Former material Kapton
Magnet
- Flux density B 1.1T
- Force factor Bl 17.8N/A
- Motor constant Bl/√RE 7.55N/√W
- Air gap height HAG 9mm
- Material Neodymium
Diaphragm
- Effective diameter 256mm
- Effective area SD 515cm²
- Moving mass MMS 61g
- Moving mass (without air load) MMD 52.5g
- Material Paper with glassfiber
Suspensions
- Stiffness KMS 6.67N/mm
- Compliance CMS 150µm/N
- Equivalent volume to the compliance VAS 55.5L
- Mechanical resistance RMS 3.51N·s/m
Dimensions
- Nominal diameter 12″
- 315mm
- Overall diameter 315mm
- Baffle cutout diameter 280mm
- Overall depth 208mm
- Volume occupied by the driver (estimated) 3.3L
- Net weight 5.75kg
- Frame material Die Cast Aluminium
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