BMS 12N804
Subwoofer
12″ / 318 mm
Nominal diameter
39 Hz
Resonance
0.29
Q factor
93 dB
Sensitivity
± 8 mm
Linear excursion
2200 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.0
- dB
- Frequency response
- 40 - 1700
- Hz
- Resonance frequency (free air)
- fS
- 39.0
- Hz
- Mechanical quality factor
- QMS
- 4.60
- Electrical quality factor
- QES
- 0.31
- Total quality factor
- QTS
- 0.29
- Maximum linear excursion
- xmax
- 8.0
- mm
- Air volume displaced at xmax
- VD
- 425
- cm³
- Power handling
- P
- 1100
- W
- Program power
- Pmax
- 2200
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.7
- Ω
- Inductance (1kHz)
- LE
- 0.66
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 26
- mm
- Winding material
- Copper
- Force factor
- Bl
- 20.4
- N/A
- Motor constant
- Bl/√RE
- 8.54
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Neodymium
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 92
- g
- Moving mass (without air load)
- MMD
- 83.2
- g
- Stiffness
- KMS
- 5.56
- N/mm
- Compliance
- CMS
- 180
- µm/N
- Equivalent volume to the compliance
- VAS
- 71
- L
- Mechanical resistance
- RMS
- 4.9
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 151
- mm
- Volume occupied by the driver (estimated)
- 2.5
- L
- Net weight
- 5.1
- 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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