BMS 12C382
Coaxial
12″ / 318 mm
Nominal diameter
52 Hz
Resonance
0.29
Q factor
96 dB
Sensitivity
± 4.5 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.6
- dB
- Frequency response
- 45 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 52.0
- Hz
- Mechanical quality factor
- QMS
- 5.60
- Electrical quality factor
- QES
- 0.30
- Total quality factor
- QTS
- 0.29
- Maximum linear excursion
- xmax
- 4.5
- mm
- Air volume displaced at xmax
- VD
- 219
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.8
- Ω
- Inductance (1kHz)
- LE
- 0.9
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 19
- mm
- Winding material
- Copper
- Former material
- Kapton
- Flux density
- B
- 1.8
- T
- Force factor
- Bl
- 18.6
- N/A
- Motor constant
- Bl/√RE
- 7.72
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Ceramic
- Effective diameter
- 249
- mm
- Effective area
- SD
- 487
- cm²
- Moving mass
- MMS
- 55
- g
- Moving mass (without air load)
- MMD
- 47
- g
- Material
- Polyester
- Stiffness
- KMS
- 5.88
- N/mm
- Compliance
- CMS
- 170
- µm/N
- Equivalent volume to the compliance
- VAS
- 57
- L
- Mechanical resistance
- RMS
- 3.21
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 285
- mm
- Overall depth
- 166
- mm
- Volume occupied by the driver (estimated)
- 3.5
- L
- Net weight
- 7.75
- kg
- Frame material
- Cast Aluminum