BMS 18S430v²
Subwoofer
18″ / 458 mm
Nominal diameter
31 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 8 mm
Linear excursion
2400 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.9
- dB
- Frequency response
- 20 - 200
- Hz
- Resonance frequency (free air)
- fS
- 31.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 8.0
- mm
- Air volume displaced at xmax
- VD
- 970
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 4.8
- Ω
- Inductance (1kHz)
- LE
- 0.82
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 26
- mm
- Winding material
- Copper
- Force factor
- Bl
- 23.5
- N/A
- Motor constant
- Bl/√RE
- 10.7
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Ferrite
- Effective diameter
- 393
- mm
- Effective area
- SD
- 1213
- cm²
- Moving mass
- MMS
- 210
- g
- Moving mass (without air load)
- MMD
- 180.8
- g
- Stiffness
- KMS
- 8.0
- N/mm
- Compliance
- CMS
- 125
- µm/N
- Equivalent volume to the compliance
- VAS
- 262
- L
- Mechanical resistance
- RMS
- 6.82
- N·s/m
- Nominal diameter
- 18
- ″
- 458
- mm
- Overall diameter
- 458
- mm
- Baffle cutout diameter
- 414
- mm
- Overall depth
- 218
- mm
- Volume occupied by the driver (estimated)
- 7.3
- L
- Net weight
- 12.8
- kg
- Frame material
- Cast Aluminum
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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