Beyma 18LEX1600Fe

Nd
Fe

Subwoofer

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)SPL1W94.2dB
  • Frequency response35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air)fS34Hz
  • Mechanical quality factorQMS7.40
  • Electrical quality factorQES0.40
  • Total quality factorQTS0.38

Large signal parameters

  • Maximum linear excursionxmax13mm
  • Maximum excursion before damagexlim60mm
  • Air volume displaced at xmaxVD1632cm³
  • Power handlingP1600W
  • Program powerPmax3200W

Voice Coil

  • Nominal impedanceZ8Ω
  • DC resistanceRE5.3Ω
  • Inductance (1kHz)LE1.7mH
  • VC Diameter101.6mm
  • Winding heightHVC32mm

Magnet

  • Force factorBl26.9N/A
  • Motor constantBl/√RE11.7N/√W
  • Air gap heightHAG15mm

Diaphragm

  • Effective diameter400mm
  • Effective areaSD1255cm²
  • Moving massMMS252g
  • Moving mass (without air load)MMD222g

Suspensions

  • StiffnessKMS11.8N/mm
  • ComplianceCMS85µm/N
  • Equivalent volume to the complianceVAS188L
  • Mechanical resistanceRMS7.4N·s/m

Dimensions

  • Nominal diameter18
  • 460mm
  • Overall diameter462mm
  • Baffle cutout diameter426mm
  • Overall depth233mm
  • Volume occupied by the driver (estimated)8.3L
  • Net weight14.6kg
Beyma 18LEX1600Fe SPL & Impedance
Beyma 18LEX1600Fe Dimensions

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