B&C 18RBX100 18-Inch Speaker Driver - 1000W RMS, 8 Ohm

The B&C 18RBX100 18-Inch Speaker Driver anchors B&C's ferrite subwoofer line, and features an all new FEA optimized motor structure. The 25mm high, 4-inch (100mm) diameter copper wire voice coil is combined with a laminated double silicone spider, water resistant curvilinear cone and triple roll surround, for even more excursion and linearity.
The corrosion resistant motor structure incorporates an aluminum demodulation ring that effectively controls inductive rise as well as harmonic and intermodulation distortion. This subwoofer can be used for a wide variety of applications, including compact vented enclosures as small as 120 litres.

B&C 18RBX100 18-Inch Speaker Driver Features

- 2000 W continuous program power capacity
- 100 mm (4 in) copper voice coil
- 35 - 1000 Hz response
- 97 dB sensitivity
- Aluminium demodulating ring allows a very low distortion figure
- Double silicone spider with optimized compliance

B&C 18RBX100 18-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 460 mm (18.0 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.2 Ω
- Nominal Power Handling: 1000 W
- Continuous Power Handling: 2000 W
- Frequency Response: 35 - 1000 Hz
- Sensitivity: 97.0 dB
- Voice Coil Diameter: 100 mm (4 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 25.0 mm (1 inches)
- Magnetic Gap Depth: 11.0 mm (0.43 inches)
- Flux Density: 1.0 T
- Connection: Spade Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Curvilinear
- Magnet material: Ferrite
- Spider: Double Silicone
- Pole design: T-Pole
- Waterproofing Treatment: TWP Waterproof Both Sides
- Recommended enclosure: 140.0 dm³
- Recommended tuning: 40 Hz

Parameters:
- Fs: 40 Hz
- Re: 5.1 Ω
- Qes: 0.36
- Qms: 7.3
- Qts: 0.34
- Vas: 220.0 dm³
- Sd: 1225 cm²
- η₀: 2.2 %
- Xmax: ± 10.0 mm
- Xvar: ± 13.0 mm
- Mms: 199.0 g
- Bl: 25.1 Txm
- Le: 1.5 mH
- EBP: 111 Hz

Physical:
- Overall diameter: 460 mm (18.11 inches)
- Bolt circle diameter: 440 mm (17.32 inches)
- Baffle cutout diameter: 422 mm (16.61 inches)
- Depth: 200 mm (7.87 inches)
- Flange and gasket thickness: 14 mm (0.55 inches)
- Air volume occupied by driver: 10.5 dm³
- Net weight: 12.05 kg