Eighteen Sound 12MB710
Subwoofer
12″ / 310 mm
Nominal diameter
46 Hz
Resonance
0.2
Q factor
97 dB
Sensitivity
± 5 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.2
- dB
- Frequency response
- 90 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 46.0
- Hz
- Mechanical quality factor
- QMS
- 10.30
- Electrical quality factor
- QES
- 0.20
- Total quality factor
- QTS
- 0.20
- Maximum linear excursion
- xmax
- 5.0
- mm
- Air volume displaced at xmax
- VD
- 266
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 0.79
- mH
- VC Diameter
- 75
- mm
- Winding height
- HVC
- 15
- mm
- Winding material
- Copper
- Force factor
- Bl
- 20.5
- N/A
- Motor constant
- Bl/√RE
- 9.17
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Ferrite
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 59
- g
- Moving mass (without air load)
- MMD
- 50.4
- g
- Material
- Weather protected
- Stiffness
- KMS
- 4.93
- N/mm
- Compliance
- CMS
- 203
- µm/N
- Equivalent volume to the compliance
- VAS
- 81
- L
- Mechanical resistance
- RMS
- 1.66
- N·s/m
- Nominal diameter
- 12
- ″
- 310
- mm
- Overall diameter
- 310
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 142
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 129
- mm
- Volume occupied by the driver (estimated)
- 3.1
- L
- Net weight
- 7.8
- kg