Beyma 15LEX1000Nd

Nd
Fe

Subwoofer

Nominal diameter15″ / 380 mm
Resonance41 Hz
Q factor0.37
Sensitivity94.1 dB
Linear excursion± 11 mm
Program Power2000 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 94.1dB
  • Frequency response 40 - 1500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 41Hz
  • Mechanical quality factor QMS 3.90
  • Electrical quality factor QES 0.41
  • Total quality factor QTS 0.37

Large signal parameters

  • Maximum linear excursion xmax 11mm
  • Maximum excursion before damage xlim 60mm
  • Air volume displaced at xmax VD 968cm³
  • Power handling P 1000W
  • Program power Pmax 2000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 1.1mH
  • VC Diameter 88.9mm
  • Winding height HVC 27mm

Magnet

  • Force factor Bl 21.9N/A
  • Motor constant Bl/√RE 9.6N/√W
  • Air gap height HAG 12mm

Diaphragm

  • Effective diameter 335mm
  • Effective area SD 880cm²
  • Moving mass MMS 147g
  • Moving mass (without air load) MMD 129g

Suspensions

  • Stiffness KMS 9.71N/mm
  • Compliance CMS 103µm/N
  • Equivalent volume to the compliance VAS 113L
  • Mechanical resistance RMS 9.7N·s/m

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 393mm
  • Baffle cutout diameter 352mm
  • Overall depth 189mm
  • Volume occupied by the driver (estimated) 4.3L
  • Net weight 7.6kg
Beyma 15LEX1000Nd SPL & Impedance
Beyma 15LEX1000Nd Dimensions

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