BMS 12CN680
Coaxial
12″ / 318 mm
Nominal diameter
46 Hz
Resonance
0.26
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
1000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.9
- dB
- Frequency response
- 50 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 46.0
- Hz
- Mechanical quality factor
- QMS
- 5.80
- Electrical quality factor
- QES
- 0.27
- Total quality factor
- QTS
- 0.26
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 268
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.7
- Ω
- Inductance (1kHz)
- LE
- 0.6
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 19
- mm
- Winding material
- Copper
- Former material
- Kapton
- Flux density
- B
- 2.2
- T
- Force factor
- Bl
- 20.6
- N/A
- Motor constant
- Bl/√RE
- 8.63
- N/√W
- Air gap height
- HAG
- 8
- mm
- Material
- Neodymium
- Effective diameter
- 249
- mm
- Effective area
- SD
- 487
- cm²
- Moving mass
- MMS
- 69
- g
- Moving mass (without air load)
- MMD
- 61
- g
- Material
- Polyester
- Stiffness
- KMS
- 5.88
- N/mm
- Compliance
- CMS
- 170
- µm/N
- Equivalent volume to the compliance
- VAS
- 58
- L
- Mechanical resistance
- RMS
- 3.44
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 284
- mm
- Overall depth
- 180
- mm
- Volume occupied by the driver (estimated)
- 2.8
- 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
Speakerbench.jpg.webp)
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