Fane COLOSSUS PRIME 18XS

Subwoofer

Nominal diameter18″ / 457 mm
Resonance33 Hz
Q factor0.39
Sensitivity94.8 dB
Linear excursion± 12 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
  • Frequency response 35 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33Hz
  • Mechanical quality factor QMS 8.20
  • Electrical quality factor QES 0.40
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 12mm
  • Air volume displaced at xmax VD 1452cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 1.5mH
  • VC Diameter 101.6mm
  • Winding height HVC 30mm
  • Winding material Copper
  • Former material Glass Fibre

Magnet

  • Flux density B 1.1T
  • Force factor Bl 22.4N/A
  • Motor constant Bl/√RE 9.82N/√W
  • Air gap height HAG 11mm
  • Weight 4.111kg
  • Material Ferrite Y35

Diaphragm

  • Effective diameter 392mm
  • Effective area SD 1210cm²
  • Moving mass (including air load) MMS 188g
  • Moving mass MMD 157g
  • Material Polycellulose

Suspensions

  • Stiffness KMS 8.07N/mm
  • Compliance CMS 124µm/N
  • Equivalent volume to the compliance VAS 257L
  • Mechanical resistance RMS 4.75N·s/m
  • Surround material Polyvinyl damped Poly Cotton

Dimensions

  • Nominal diameter 18
  • 457mm
  • Overall diameter 485mm
  • Baffle cutout diameter 415mm
  • Overall depth 216mm
  • Flange thickness 12mm
  • Mounting depth 204mm
  • Volume occupied by the driver (estimated) 8.4L
  • Net weight 15.3kg
  • Frame material Die-cast Aluminium
Fane COLOSSUS PRIME 18XS Impedance
Fane COLOSSUS PRIME 18XS SPL
Fane COLOSSUS PRIME 18XS Dimensions

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