B&C 18RBX100 - 18" 1000W 8 Ohm Loudspeaker part for Martin Audio Blackline S218+ DLS18001
The new B&C 18RBX100 anchors our ferrite subwoofer line, and features an all new FEA optimized motor structure. The 25mm high, 4” (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.
- 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
Specifications
- Nominal diameter 460 mm (18.0 in)
- Nominal impedance 8 Ω
- Minimum impedance 6.2 Ω
- Nominal power handling 1000 W
- Continuous power handling 2000 W
- Sensitivity (1W/1m) 97.0 dB
- Frequency range 35 - 1000 Hz
- Voice coil diameter 100 mm (4.0 in)
- Winding material Copper
- Former material Glass Fibre
- Winding depth 25 mm (1.0 in)
- Magnetic gap depth 11 mm (0.43 in)
- Flux density 1.1 T
Design
- Surround shape Triple Roll
- Cone shape Curvilinear
- Magnet material Ferrite
- Spider Double Silicone
- Pole design T-Pole
- Woofer cone treatment TWP Waterproof Both Sides
- Recommended enclosure 140.0 dm3 (4.94 ft3)
- Recommended tuning 40 Hz
Parameters
- Fs 35 Hz
- Re 5.1 Ω
- Qes 0.36
- Qms 7.3
- Qts 0.34
- Vas 220.0 dm3 (7.77 ft3)
- Sd 1225.0 cm2 (189.88 in2)
- η₀ 2.2 %
- Xmax 10.0 mm
- Xvar 13.0 mm
- Mms 199 g
- Bl 25.1 Txm
- Le 1.5 mH
- EBP 97 Hz
Mounting and Shipping Info
- Overall diameter 460 mm (18.11 in)
- Bolt circle diameter 440 mm (17.32 in)
- Baffle cutout diameter 422.0 mm (16.61 in)
- Depth 200 mm (7.87 in)
- Flange and gasket thickness 14 mm (0.55 in)
- Air volume occupied by driver 10.5 dm3 (0.37 ft3)
- Net weight 12.3 kg (27.12 lb)
- Shipping units 1
- Shipping weight 13.7 kg (30.2 lb)
- Shipping box 500x500x250 mm (19.69x19.69x9.84 in)
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B&C 18RBX100 - 18" 1000W 8 Ohm Loudspeaker PDF data sheet (1 Mb)