Oberton 18B35
Subwoofer
18″ / 461 mm
Nominal diameter
32 Hz
Resonance
0.32
Q factor
97 dB
Sensitivity
± 9 mm
Linear excursion
1400 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.4
- dB
- Frequency response
- 32 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 31.8
- Hz
- Mechanical quality factor
- QMS
- 8.05
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.32
- Maximum linear excursion
- xmax
- 9.0
- mm
- Air volume displaced at xmax
- VD
- 999
- cm³
- Power handling
- P
- 700
- W
- Program power
- Pmax
- 1400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 4.9
- Ω
- Inductance (1kHz)
- LE
- 0.61
- mH
- VC Diameter
- 88
- mm
- Winding height
- HVC
- 24
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Glass fiber
- Flux density
- B
- 1.06
- T
- Force factor
- Bl
- 19.34
- N/A
- Motor constant
- Bl/√RE
- 8.75
- N/√W
- Air gap height
- HAG
- 12
- mm
- Material
- Ferrite
- Effective diameter
- 376
- mm
- Effective area
- SD
- 1110
- cm²
- Moving mass
- MMS
- 129.6
- g
- Moving mass (without air load)
- MMD
- 102.8
- g
- Material
- Paper
- Stiffness
- KMS
- 5.16
- N/mm
- Compliance
- CMS
- 194
- µm/N
- Equivalent volume to the compliance
- VAS
- 334
- L
- Mechanical resistance
- RMS
- 3.21
- N·s/m
- Nominal diameter
- 18
- ″
- 461
- mm
- Overall diameter
- 461
- mm
- Baffle cutout diameter
- 417
- mm
- Overall depth
- 196
- mm
- Volume occupied by the driver (estimated)
- 5.8
- L
- Net weight
- 10.0
- kg
- Frame material
- Die cast aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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