Aurum Cantus AC200/50C2C

Woofer

Nominal diameter8″ / 200 mm
Resonance27 Hz
Q factor0.26
Sensitivity90.2 dB
Linear excursion± 6 mm
Program Power300 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 90.2dB
  • Frequency response 27 - 4500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 27Hz
  • Mechanical quality factor QMS 4.25
  • Electrical quality factor QES 0.28
  • Total quality factor QTS 0.26

Large signal parameters

  • Maximum linear excursion (one way) xmax 6mm
  • Air volume displaced at xmax VD 132cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.0Ω
  • Inductance (1kHz) LE 0.67mH
  • VC Diameter 50mm
  • Winding height HVC 15mm

Magnet

  • Flux density B 0.93T
  • Force factor Bl 8.8N/A
  • Motor constant Bl/√RE 3.33N/√W
  • Diameter 120mm
  • Height 20mm

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 20.2g
  • Moving mass (without air load) MMD 17.7g

Suspensions

  • Stiffness KMS 0.526N/mm
  • Compliance CMS 1900µm/N
  • Equivalent volume to the compliance VAS 130L
  • Mechanical resistance RMS 0.81N·s/m

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 225mm
  • Baffle cutout diameter 194mm
  • Overall depth 104mm
  • Flange thickness 6mm
  • Mounting depth 98mm
  • Volume occupied by the driver (estimated) 1L
  • Net weight 2.57kg
  • Frame material Aluminum
Aurum Cantus AC200/50C2C Impedance & Phase
Aurum Cantus AC200/50C2C SPL
Aurum Cantus AC200/50C2C Dimensions

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