B&C Speaker 18TBX100

Subwoofer

Nominal diameter18″ / 460 mm
Resonance30 Hz
Q factor0.31
Sensitivity94.4 dB
Linear excursion± 9 mm
Program Power2400 W
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 94.4dB
  • Frequency response 35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 7.00
  • Electrical quality factor QES 0.33
  • Total quality factor QTS 0.31

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 1089cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.7Ω
  • Inductance (1kHz) LE 1.73mH
  • VC Diameter 100mm
  • Winding height HVC 25mm
  • Winding material Copper
  • Former material Glass Fibre

Magnet

  • Flux density B 1.1T
  • Force factor Bl 22N/A
  • Motor constant Bl/√RE 11.4N/√W
  • Air gap height HAG 12mm
  • Material Ferrite

Diaphragm

  • Effective diameter 393mm
  • Effective area SD 1210cm²
  • Moving mass MMS 230g
  • Moving mass (without air load) MMD 201g
  • Material Waterproof Both Sides

Suspensions

  • Stiffness KMS 8.13N/mm
  • Compliance CMS 123µm/N
  • Equivalent volume to the compliance VAS 256L
  • Mechanical resistance RMS 6.19N·s/m
  • Spider material Silicone

Dimensions

  • Nominal diameter 18
  • 460mm
  • Overall diameter 460mm
  • Baffle cutout diameter 422mm
  • Overall depth 209mm
  • Flange thickness 16mm
  • Mounting depth 193mm
  • Volume occupied by the driver 10.5L
  • Net weight 12.7kg
B&C Speaker 18TBX100 Impedance
B&C Speaker 18TBX100 SPL
B&C Speaker 18TBX100 Dimensions

Similar subwoofers to B&C Speaker 18TBX100

RCF LF18Y402 Subwoofer

RCF LF18Y402

8 Ω
18 Subwoofer
fS30 Hz
SD1200 cm²
25 - 1000 Hz
QTS0.30
xmax12 mm
SPL1W94.8 dB
Bl/√RE11.4
Pmax2400 W
SICA 18 PFS 4 Subwoofer

SICA 18 PFS 4

4 Ω
18 Subwoofer
fS29 Hz
SD1164 cm²
30 - 2000 Hz
QTS0.33
xmax9 mm
SPL1W93.6 dB
Bl/√RE11.2
Pmax2400 W