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B&C 18TBW100 - 4 ohm - Woofer

B&C 18TBW100 - 4 ohm - Woofer
Ship weight
18.00 kg
Priced per
4 ohm
  • Details
  • Additional Information


Nominal diameter460 mm (18.0 in)
Nominal impedance4 Ω
Minimum impedance4.0 Ω
Nominal power handling11500 W
Continuous power handling23000 W
Sensitivity (1W/1m)396.0 dB
Frequency range35 - 1000 Hz
Voice coil diameter100 mm (4.0 in)
Winding materialCopper
Former materialGlass Fibre
Winding depth31 mm (1.22 in)
Magnetic gap depth15 mm (0.59 in)
Flux density1.15 T


Surround shapeTriple Roll
Cone shapeRadial
Magnet materialFerrite
SpiderDouble Silicone
Pole designT-Pole
Woofer cone treatmentTWP Waterproof Both Sides
Recommended enclosure200.0 dm3 (7.06 ft3)
Recommended tuning32 Hz


Fs33 Hz
Re3.2 Ω
Vas181.5 dm3 (6.41 ft3)
Sd1210.0 cm2 (187.6 in2)
η₀1.8 %
Xmax12.0 mm
Xvar14.0 mm
Mms268 g
Bl22.8 Txm
Le1.64 mH
EBP97 Hz

Mounting And Shipping Info

Overall diameter460 mm (18.0 in)
Bolt circle diameter442 mm (17.4 in)
Baffle cutout diameter422.0 mm (16.6 in)
Depth241 mm (9.5 in)
Flange and gasket thickness16 mm (0.61 in)
Air volume occupied by driver11.0 dm3 (0.39 ft3)
Net weight15.1 kg (33.3 lb)
Shipping units1
Shipping weight16.6 kg (36.6 lb)
Shipping box500x500x250 mm (19.7x19.7x9.8 in)

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