Oberton 18B35
8Ω
Subwoofer
| Nominal diameter | 18″ / 461 mm |
| Resonance | 31.8 Hz |
| Q factor | 0.32 |
| Sensitivity | 97.4 dB |
| Linear excursion | ± 9 mm |
| Program Power | 1400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.4dB
- Frequency response 32 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31.8Hz
- Mechanical quality factor QMS 8.05
- Electrical quality factor QES 0.34
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion (one way) xmax 9mm
- Air volume displaced at xmax VD 999cm³
- Power handling P 700W
- Program power Pmax 1400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.9Ω
- Inductance (1kHz) LE 0.61mH
- VC Diameter 88mm
- Winding height HVC 24mm
- Winding material Copper Clad Aluminium
- Former material Glass fiber
Magnet
- Flux density B 1.06T
- Force factor Bl 19.3N/A
- Motor constant Bl/√RE 8.75N/√W
- Air gap height HAG 12mm
- Material Ferrite
Diaphragm
- Effective diameter 376mm
- Effective area SD 1110cm²
- Moving mass MMS 130g
- Moving mass (without air load) MMD 103g
- Material Paper
Suspensions
- Stiffness KMS 5.16N/mm
- Compliance CMS 194µm/N
- Equivalent volume to the compliance VAS 334L
- Mechanical resistance RMS 3.21N·s/m
Dimensions
- Nominal diameter 18″
- 461mm
- Overall diameter 461mm
- Baffle cutout diameter 417mm
- Overall depth 196mm
- Volume occupied by the driver (estimated) 5.8L
- Net weight 10.0kg
- Frame material Die cast aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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