Beyma 5G40Nd/N

Mid Bass

Nominal diameter5″ / 125 mm
Resonance140 Hz
Q factor0.45
Sensitivity90.7 dB
Linear excursion± 3 mm
Program Power200 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 90.7dB
  • Frequency response 150 - 17000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 140Hz
  • Mechanical quality factor QMS 2.80
  • Electrical quality factor QES 0.53
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion (one way) xmax 3mm
  • Maximum excursion before damage xlim 20mm
  • Air volume displaced at xmax VD 26cm³
  • Power handling P 100W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.6Ω
  • Inductance (1kHz) LE 0.2mH
  • VC Diameter 38.1mm
  • Winding height HVC 9mm

Magnet

  • Force factor Bl 10N/A
  • Motor constant Bl/√RE 3.89N/√W
  • Air gap height HAG 7mm

Diaphragm

  • Effective diameter 104mm
  • Effective area SD 85cm²
  • Moving mass MMS 9g
  • Moving mass (without air load) MMD 8.4g

Suspensions

  • Stiffness KMS 6.99N/mm
  • Compliance CMS 143µm/N
  • Equivalent volume to the compliance VAS 1.4L
  • Mechanical resistance RMS 2.9N·s/m

Dimensions

  • Nominal diameter 5
  • 125mm
  • Overall diameter 155mm
  • Baffle cutout diameter 120mm
  • Overall depth 72mm
  • Volume occupied by the driver (estimated) 0.39L
  • Net weight 1.2kg
Beyma 5G40Nd/N SPL & Impedance
Beyma 5G40Nd/N Dimensions

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