BMS 12N803
Subwoofer
12″ / 318 mm
Nominal diameter
41 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
2000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.9
- dB
- Frequency response
- 40 - 1700
- Hz
- Resonance frequency (free air)
- fS
- 41.0
- Hz
- Mechanical quality factor
- QMS
- 5.20
- Electrical quality factor
- QES
- 0.25
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 6.0
- mm
- Air volume displaced at xmax
- VD
- 319
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.7
- Ω
- Inductance (1kHz)
- LE
- 0.61
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 22
- mm
- Winding material
- Copper
- Force factor
- Bl
- 21.35
- N/A
- Motor constant
- Bl/√RE
- 8.94
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Neodymium
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 78
- g
- Moving mass (without air load)
- MMD
- 69.2
- g
- Stiffness
- KMS
- 5.18
- N/mm
- Compliance
- CMS
- 193
- µm/N
- Equivalent volume to the compliance
- VAS
- 77
- L
- Mechanical resistance
- RMS
- 3.86
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 147
- mm
- Volume occupied by the driver (estimated)
- 2.3
- L
- Net weight
- 4.7
- 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:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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