B&C Speaker 18SW115
4Ω
8Ω
Subwoofer
18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.3
Q factor
94 dB
Sensitivity
± 14 mm
Linear excursion
3400 W
Program Power
- Parts Express
- $$$
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.1
- dB
- Frequency response
- 35 - 1500
- Hz
- Resonance frequency (free air)
- fS
- 32.0
- Hz
- Mechanical quality factor
- QMS
- 5.60
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.30
- Maximum linear excursion
- xmax
- 14.0
- mm
- Air volume displaced at xmax
- VD
- 1694
- cm³
- Power handling
- P
- 1700
- W
- Program power
- Pmax
- 3400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 1.9
- mH
- VC Diameter
- 116
- mm
- Winding height
- HVC
- 34
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 1.16
- T
- Force factor
- Bl
- 30.3
- N/A
- Motor constant
- Bl/√RE
- 13.2
- N/√W
- Air gap height
- HAG
- 14
- mm
- Material
- Neodymium Inside Slug
- Effective diameter
- 393
- mm
- Effective area
- SD
- 1210
- cm²
- Moving mass
- MMS
- 275
- g
- Moving mass (without air load)
- MMD
- 245.8
- g
- Material
- Waterproof Both Sides
- Stiffness
- KMS
- 11.11
- N/mm
- Compliance
- CMS
- 90
- µm/N
- Equivalent volume to the compliance
- VAS
- 187
- L
- Mechanical resistance
- RMS
- 9.87
- N·s/m
- Spider material
- Silicone
- Nominal diameter
- 18
- ″
- 460
- mm
- Overall diameter
- 460
- mm
- Baffle cutout diameter
- 422
- mm
- Overall depth
- 242
- mm
- Flange thickness
- 16
- mm
- Mounting depth
- 226
- mm
- Volume occupied by the driver
- 10.5
- L
- Net weight
- 11.9
- kg