FaitalPRO 21XL3000 4Ω

Subwoofer

Nominal diameter21″ / 535 mm
Resonance32 Hz
Q factor0.22
Sensitivity96.8 dB
Linear excursion± 17.7 mm
Program power6000 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 96.8dB
  • Frequency response 30 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 32Hz
  • Mechanical quality factor QMS 17.00
  • Electrical quality factor QES 0.22
  • Total quality factor QTS 0.22

Large signal parameters

  • Maximum linear excursion (one way) xmax 17.7mm
  • Maximum excursion before damage xlim 40mm
  • Air volume displaced at xmax VD 3082cm³
  • Power handling P 3000W
  • Program power Pmax 6000W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.0Ω
  • Inductance (1kHz) LE 0.7mH
  • VC Diameter 165mm
  • Winding height HVC 40mm
  • Winding material Aluminium
  • Former material Glass Fiber

Magnet

  • Flux density B 1.35T
  • Force factor Bl 35.5N/A
  • Motor constant Bl/√RE 20.5N/√W
  • Air gap height HAG 14mm
  • Material Neodymium Ring

Diaphragm

  • Effective diameter 471mm
  • Effective area SD 1744cm²
  • Moving mass (including air load) MMS 470g
  • Moving mass MMD 420g

Suspensions

  • Stiffness KMS 20N/mm
  • Compliance CMS 50µm/N
  • Equivalent volume to the compliance VAS 224L
  • Mechanical resistance RMS 5.6N·s/m

Dimensions

  • Nominal diameter 21
  • 535mm
  • Overall diameter 547mm
  • Baffle cutout diameter 508mm
  • Overall depth 280mm
  • Flange thickness 16mm
  • Mounting depth 264mm
  • Volume occupied by the driver 13L
  • Net weight 21.5kg
  • Frame material Aluminium
FaitalPRO 21XL3000 4Ω Impedance
FaitalPRO 21XL3000 4Ω SPL
FaitalPRO 21XL3000 4Ω Dimensions

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