Beyma 6CX200Nd/N

Nd/N
Fe

Coaxial

Nominal diameter6.5″ / 165 mm
Resonance65 Hz
Q factor0.27
Sensitivity91.3 dB
Linear excursion± 5.5 mm
Program Power400 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 91.3dB
  • Frequency response 65 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 65Hz
  • Mechanical quality factor QMS 3.90
  • Electrical quality factor QES 0.29
  • Total quality factor QTS 0.27

Large signal parameters

  • Maximum linear excursion xmax 5.5mm
  • Maximum excursion before damage xlim 26mm
  • Air volume displaced at xmax VD 74cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 0.24mH
  • VC Diameter 50.8mm
  • Winding height HVC 14mm

Magnet

  • Force factor Bl 10.5N/A
  • Motor constant Bl/√RE 4.7N/√W
  • Air gap height HAG 7mm

Diaphragm

  • Effective diameter 131mm
  • Effective area SD 135cm²
  • Moving mass MMS 16g
  • Moving mass (without air load) MMD 14.7g

Suspensions

  • Stiffness KMS 2.73N/mm
  • Compliance CMS 366µm/N
  • Equivalent volume to the compliance VAS 9.4L
  • Mechanical resistance RMS 1.7N·s/m

Dimensions

  • Nominal diameter 6.5
  • 165mm
  • Overall diameter 188mm
  • Baffle cutout diameter 145mm
  • Overall depth 104mm
  • Volume occupied by the driver (estimated) 0.77L
  • Net weight 2.0kg
Beyma 6CX200Nd/N SPL
Beyma 6CX200Nd/N SPL & Impedance
Beyma 6CX200Nd/N Directivity
Beyma 6CX200Nd/N Dimensions

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