B&C 18DS115 - 18" 1700W 4 Ohm
This next evolution subwoofer uses a new, longer, four layer aluminum voice coil. The result is more energy in the gap, higher sensitivity, 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, 99db sensitivity, and over 14.0mm of Xvar, this high energy subwoofer is a significant step forward from similar models in the B&C range.
- 3400 W continuous program power capacity
- 116 mm (4.5 in) 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
- 3400 W continuous program power capacity
- 116 mm (4.5 in) 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
Specifications
- Nominal diameter 460 mm (18.0 in)
- Nominal impedance 4 ohms
- Minimum impedance 4.5 ohms
- Nominal power handling * 1700 W
- Continuous power handling * 3400 W
- Sensitivity (1W/1m) * 97.0 dB
- Frequency range 30 - 500 Hz
- Voice coil diameter 116 mm (4.5 in)
- Winding material Aluminium
- Former material Glass Fibre
- Winding depth 40 mm (1.57 in)
- Magnetic gap depth 14 mm (0.55 in)
- Flux density 0.8 T
Design
- Surround shape Triple Roll
- Cone shape Radial
- Magnet material Neodymium Inside Slug
- Spider Double Silicone
- Pole design T-Pole
- Woofer cone treatment TWP Waterproof Both Sides
- Recommended enclosure 100.0 dm3 (2.83 ft3)
- Recommended tuning 40 Hz
Parameters
- Fs 30 Hz
- Re 3.3 ohms
- Qes 0.18
- Qms 4.75
- Qts 0.17
- Vas 177.0 dm3 (6.25 ft3)
- Sd 1210.0 cm2 (187.6 in2)
- η₀ 2.3 %
- Xmax 16.5 mm
- Xvar 14.0 mm
- Mms 348 g
- Bl 34.0 Txm
- Le 2.8 mH
- EBP 166 Hz
Mounting and Shipping Info
- Overall diameter 460 mm (18.0 in)
- Bolt circle diameter 440 mm (17.3 in)
- Baffle cutout diameter 422.0 mm (16.6 in)
- Depth 248 mm (9.76 in)
- Flange and gasket thickness 16 mm (0.62 in)
- Air volume occupied by driver 10.0 dm3 (0.35 ft3)
- Net weight 12.0 kg (26.46 lb)
- Shipping units 1
- Shipping weight 13.6 kg (30 lb)
- Shipping box 500x500x280 mm (19.7x19.7x10.83 in)
- Service kit: RCK18DS1158
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