B&C Speaker 18PS100
4Ω
8ΩSubwoofer
Nominal diameter | 18″ / 460 mm |
Resonance | 30 Hz |
Q factor | 0.40 |
Sensitivity | 93.2 dB |
Linear excursion | ± 7 mm |
Program Power | 1400 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.2dB
- Frequency response 30 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 9.10
- Electrical quality factor QES 0.42
- Total quality factor QTS 0.40
Large signal parameters
- Maximum linear excursion xmax 7mm
- Air volume displaced at xmax VD 847cm³
- Power handling P 700W
- Program power Pmax 1400W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz) LE 1.35mH
- VC Diameter 100mm
- Winding height HVC 19mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.05T
- Force factor Bl 20N/A
- Motor constant Bl/√RE 10.3N/√W
- Air gap height HAG 10.5mm
- Material Ferrite
Diaphragm
- Effective diameter 393mm
- Effective area SD 1210cm²
- Moving mass MMS 239g
- Moving mass (without air load) MMD 210g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 8.33N/mm
- Compliance CMS 120µm/N
- Equivalent volume to the compliance VAS 251L
- Mechanical resistance RMS 4.95N·s/m
- Spider material Silicone
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 460mm
- Baffle cutout diameter 422mm
- Overall depth 197mm
- Flange thickness 16mm
- Mounting depth 181mm
- Volume occupied by the driver 9.5L
- Net weight 10.2kg
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Export this driver to a simulation software:
Closed Box Simulator·





