BMS 12N620
Subwoofer
12″ / 318 mm
Nominal diameter
45 Hz
Resonance
0.25
Q factor
96 dB
Sensitivity
± 5.5 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.8
- dB
- Frequency response
- 45 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 44.7
- Hz
- Mechanical quality factor
- QMS
- 5.10
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 292
- 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
- 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
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 68
- g
- Moving mass (without air load)
- MMD
- 59.2
- g
- Stiffness
- KMS
- 5.56
- N/mm
- Compliance
- CMS
- 180
- µm/N
- Equivalent volume to the compliance
- VAS
- 72.7
- L
- Mechanical resistance
- RMS
- 3.74
- N·s/m
- Nominal diameter
- 12
- ″
- 318
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 284
- mm
- Overall depth
- 145
- mm
- Volume occupied by the driver (estimated)
- 1.9
- L
- Net weight
- 3.5
- kg
- Frame material
- Cast Aluminum