B&C Speaker 18RBX100 8Ω

Subwoofer

Nominal diameter18″ / 460 mm
Resonance40 Hz
Q factor0.34
Sensitivity95.4 dB
Linear excursion± 10 mm
Program Power2000 W
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
  • Frequency response 35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 7.30
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.34

Large signal parameters

  • Maximum linear excursion xmax 10mm
  • Air volume displaced at xmax VD 1225cm³
  • Power handling P 1000W
  • Program power Pmax 2000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 1.5mH
  • VC Diameter 100mm
  • Winding height HVC 25mm
  • Winding material Copper
  • Former material Glass Fibre

Magnet

  • Flux density B 1.1T
  • Force factor Bl 25.1N/A
  • Motor constant Bl/√RE 11.1N/√W
  • Air gap height HAG 11mm
  • Material Ferrite

Diaphragm

  • Effective diameter 395mm
  • Effective area SD 1225cm²
  • Moving mass MMS 199g
  • Moving mass (without air load) MMD 169g
  • Material Waterproof

Suspensions

  • Stiffness KMS 9.71N/mm
  • Compliance CMS 103µm/N
  • Equivalent volume to the compliance VAS 220L
  • Mechanical resistance RMS 6.85N·s/m
  • Spider material Double Silicone

Dimensions

  • Nominal diameter 18
  • 460mm
  • Overall diameter 460mm
  • Baffle cutout diameter 422mm
  • Overall depth 200mm
  • Flange thickness 14mm
  • Mounting depth 186mm
  • Volume occupied by the driver 10.5L
  • Net weight 12.3kg
B&C Speaker 18RBX100 8Ω Impedance
B&C Speaker 18RBX100 8Ω SPL
B&C Speaker 18RBX100 8Ω Dimensions

Similar subwoofers to B&C Speaker 18RBX100 8Ω

B&C Speaker 18TBX100 Subwoofer

B&C Speaker 18TBX100

8 Ω
18 Subwoofer
fS34 Hz
SD1210 cm²
35 - 1000 Hz
QTS0.35
xmax9 mm
SPL1W95.1 dB
Bl/√RE11.3
Pmax2400 W