B&C 18DS115 18-Inch Speaker Driver - 1700W RMS, 4 Ohm, Spring Terminals

The B&C 18DS115 18-Inch Speaker Driver uses a new, longer, four layer aluminum voice coil. The result is more energy in the gap, less heat, higher sensitivity, higher power handling, lower distortion and better overall performance. The 18DS115 features a 40mm long, 4.5 inch diameter (116mm) Copper Clad Aluminum Wire voice coil. With a 1700watt AES power rating, 98 dB sensitivity, and over 14.0mm of Xvar, this high energy subwoofer is a significant step forward from similar models in the B&C range.

Recone Kit: JP105286 (B&C RCK18DS1154)

B&C 18DS115 18-Inch Speaker Driver Features

- 3400 W continuous program power capacity
- 116 mm (4.5 inch) four layer aluminum voice coil
- 30 - 500 Hz response
- 98 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 18DS115 18-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 460 mm (18.0 inches)
- Nominal Impedance: 4 Ω
- Minimum Impedance: 4.5 Ω
- Nominal Power Handling: 1700 W
- Continuous Power Handling: 3400 W
- Frequency Response: 30 - 500 Hz
- Sensitivity: 97.0 dB
- Voice Coil Diameter: 116 mm (4.5 inches)
- Winding Material: Aluminium
- Former Material: Glass Fibre
- Winding Depth: 40 mm (1.57 inches)
- Magnetic Gap Depth: 14.0 mm (0.55 inches)
- Flux Density: 0.8 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: 100.0 dm³
- Recommended tuning: 40 Hz

Parameters:
- Fs: 30 Hz
- Re: 3.3 Ω
- Qes: 0.18
- Qms: 4.75
- Qts: 0.17
- Vas: 177 dm³
- Sd: 1210 cm²
- η₀: 2.3 %
- Xmax: ± 16.5 mm
- Xvar: ± 14.0 mm
- Mms: 348.0 g
- Bl: 34.0 Txm
- Le: 2.8 mH
- EBP: 166 Hz

Physical:
- Overall diameter: 460 mm (18.11 inches)
- Bolt circle diameter: 442 mm (17.4 inches)
- Baffle cutout diameter: 422 mm (16.61 inches)
- Depth: 248 mm (9.76 inches)
- Flange and gasket thickness: 16 mm (0.63 inches)
- Air volume occupied by driver: 10.0 dm³
- Net weight: 12.55 kg