Oberton 15NMB35
8Ω
Subwoofer
| Nominal diameter | 15″ / 388 mm |
| Resonance | 38.9 Hz |
| Q factor | 0.34 |
| Sensitivity | 96.2 dB |
| Linear excursion | ± 6.8 mm |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
- Frequency response 45 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 38.9Hz
- Mechanical quality factor QMS 8.88
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion xmax 6.8mm
- Air volume displaced at xmax VD 560cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 0.879mH
- VC Diameter 88mm
- Winding height HVC 19mm
- Winding material Aluminium
- Former material Kapton
Magnet
- Flux density B 1.05T
- Force factor Bl 18.5N/A
- Motor constant Bl/√RE 7.98N/√W
- Air gap height HAG 11mm
- Material Neodymium
Diaphragm
- Effective diameter 325mm
- Effective area SD 830cm²
- Moving mass MMS 90.5g
- Moving mass (without air load) MMD 73.6g
- Material Paper with glassfiber
Suspensions
- Stiffness KMS 5.41N/mm
- Compliance CMS 185µm/N
- Equivalent volume to the compliance VAS 177L
- Mechanical resistance RMS 2.49N·s/m
Dimensions
- Nominal diameter 15″
- 388mm
- Overall diameter 388mm
- Baffle cutout diameter 355mm
- Overall depth 175mm
- Volume occupied by the driver (estimated) 3.2L
- Net weight 5.32kg
- Frame material Die Cast Aluminium
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