Beyma 8WR300

Woofer

Nominal diameter8″ / 200 mm
Resonance65 Hz
Q factor0.28
Sensitivity93 dB
Linear excursion± 6 mm
Program Power600 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 93dB
  • Frequency response 65 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 65Hz
  • Mechanical quality factor QMS 5.40
  • Electrical quality factor QES 0.29
  • Total quality factor QTS 0.28

Large signal parameters

  • Maximum linear excursion xmax 6mm
  • Maximum excursion before damage xlim 32mm
  • Air volume displaced at xmax VD 132cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.0Ω
  • Inductance (1kHz) LE 0.9mH
  • VC Diameter 50.8mm
  • Winding height HVC 15mm

Magnet

  • Force factor Bl 15.5N/A
  • Motor constant Bl/√RE 6.33N/√W
  • Air gap height HAG 8mm

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 28g
  • Moving mass (without air load) MMD 25.6g

Suspensions

  • Stiffness KMS 4.65N/mm
  • Compliance CMS 215µm/N
  • Equivalent volume to the compliance VAS 15L
  • Mechanical resistance RMS 2.1N·s/m

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 212mm
  • Baffle cutout diameter 182mm
  • Overall depth 95mm
  • Volume occupied by the driver (estimated) 1.1L
  • Net weight 3.3kg
Beyma 8WR300 SPL & Impedance
Beyma 8WR300 Dimensions

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