BMS 18S450
Subwoofer
18″ / 458 mm
Nominal diameter
29 Hz
Resonance
0.31
Q factor
95 dB
Sensitivity
± 12 mm
Linear excursion
2400 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.7
- dB
- Frequency response
- 20 - 200
- Hz
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 7.25
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 12.0
- mm
- Air volume displaced at xmax
- VD
- 1456
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.5
- Ω
- Inductance (1kHz)
- LE
- 1.1
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 36
- mm
- Winding material
- Copper
- Force factor
- Bl
- 26.5
- N/A
- Motor constant
- Bl/√RE
- 11.3
- N/√W
- Air gap height
- HAG
- 12
- mm
- Material
- Ferrite
- Effective diameter
- 393
- mm
- Effective area
- SD
- 1213
- cm²
- Moving mass
- MMS
- 224
- g
- Moving mass (without air load)
- MMD
- 194.8
- g
- Stiffness
- KMS
- 7.46
- N/mm
- Compliance
- CMS
- 134
- µm/N
- Equivalent volume to the compliance
- VAS
- 281
- L
- Mechanical resistance
- RMS
- 5.63
- N·s/m
- Nominal diameter
- 18
- ″
- 458
- mm
- Overall diameter
- 458
- mm
- Baffle cutout diameter
- 414
- mm
- Overall depth
- 233
- mm
- Volume occupied by the driver (estimated)
- 8.2
- L
- Net weight
- 14.5
- 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
Speakerbench.jpg.webp)
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