B&C 18SW115 18-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals

B&C 18SW115 18-Inch Speaker Driver Features

- 3400 W continuous program power capacity
- 116 mm (4.5 inch) split winding copper voice coil
- 35 - 1500 Hz response
- 97 dB sensitivity
- 60 mm peak-to-peak excursion before damage
- Neodymium magnet allows a very high force factor and linear excursion
- Double silicone spider with optimized compliance
- Ventilated voice coil gap for reduced power compression
- Aluminium demodulating ring for very low distortion

B&C 18SW115 18-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 460 mm (18.0 inches)
- Nominal Impedance: 4 Ω
- Minimum Impedance: 4.1 Ω
- Nominal Power Handling: 1700 W
- Continuous Power Handling: 3400 W
- Frequency Response: 30 - 1500 Hz
- Sensitivity: 96.0 dB
- Voice Coil Diameter: 116 mm (4.5 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 34 mm (1.33 inches)
- Magnetic Gap Depth: 14.0 mm (0.55 inches)
- Flux Density: 1.16 T
- Connection: Spring Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Radial
- Magnet material: Neodymium Inside Slug
- Spider: Double Silicone
- Pole design: T-Pole
- Waterproofing Treatment: TWP Waterproof Both Sides
- Recommended enclosure: 150.0 dm³
- Recommended tuning: 35 Hz

Parameters:
- Fs: 30 Hz
- Re: 3.3 Ω
- Qes: 0.31
- Qms: 6.1
- Qts: 0.3
- Vas: 149.1 dm³
- Sd: 1210 cm²
- η₀: 1.8 %
- Xmax: ± 14.0 mm
- Xvar: ± 16.0 mm
- Mms: 304.0 g
- Bl: 26.0 Txm
- Le: 1.36 mH
- EBP: 109 Hz

Physical:
- Overall diameter: 460 mm (18.11 inches)
- Bolt circle diameter: 443 mm (17.44 inches)
- Baffle cutout diameter: 422 mm (16.61 inches)
- Depth: 242 mm (9.5 inches)
- Flange and gasket thickness: 16 mm (0.63 inches)
- Air volume occupied by driver: 10.5 dm³
- Net weight: 11.9 kg

Further Product Information Below

B & C 18SW115 (4 Ohm) Data Sheet (PDF)

B & C 18SW115 Technical Drawing (PDF)