Eighteen Sound 12LW1400
Subwoofer
12″ / 300 mm
Nominal diameter
45 Hz
Resonance
0.3
Q factor
93 dB
Sensitivity
± 8.25 mm
Linear excursion
1400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.4
- dB
- Frequency response
- 51 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 45.0
- Hz
- Mechanical quality factor
- QMS
- 5.00
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.30
- Maximum linear excursion
- xmax
- 8.25
- mm
- Air volume displaced at xmax
- VD
- 438
- cm³
- Power handling
- P
- 900
- W
- Program power
- Pmax
- 1400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.2
- Ω
- Inductance (1kHz)
- LE
- 1.5
- mH
- VC Diameter
- 100
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 20.0
- N/A
- Motor constant
- Bl/√RE
- 8.77
- N/√W
- Material
- Ferrite
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 88
- g
- Moving mass (without air load)
- MMD
- 79.2
- g
- Material
- Weather protected
- Stiffness
- KMS
- 7.04
- N/mm
- Compliance
- CMS
- 142
- µm/N
- Equivalent volume to the compliance
- VAS
- 55
- L
- Mechanical resistance
- RMS
- 4.98
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 315
- mm
- Baffle cutout diameter
- 282
- mm
- Overall depth
- 141
- mm
- Flange thickness
- 17
- mm
- Mounting depth
- 124
- mm
- Volume occupied by the driver (estimated)
- 3.9
- L
- Net weight
- 10.9
- kg