Aurum Cantus AC130/50CK

Woofer

Nominal diameter5″ / 130 mm
Resonance37 Hz
Q factor0.21
Sensitivity87.6 dB
Linear excursion± 6 mm
Program Power300 W
Ω°0102030405060101001 00010 000-180-120-60060120180Electrical ImpedanceElectrical Phase
mm05101520101001 00010 000Diaphragm ExcursionMaximum Linear Excursion
m/s00.20.40.60.81101001 00010 000Diaphragm Velocity
dB60708090100110120101001 00010 000SPL (1W, 1m, on axis)Maximum SPL
°-180-120-60060120180101001 00010 000Acoustical phase (1m, on axis)
ms0246810101001 00010 000Group Delay (1m, on axis)
00.51-205101520Step response
-1-0.500.51-2010203040Response to a tone burst of Hz with cycles
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 87.6dB
  • Frequency response 37 - 4500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 37Hz
  • Mechanical quality factor QMS 3.17
  • Electrical quality factor QES 0.23
  • Total quality factor QTS 0.21

Large signal parameters

  • Maximum linear excursion xmax 6mm
  • Air volume displaced at xmax VD 57cm³
  • 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 9.1N/A
  • Motor constant Bl/√RE 3.44N/√W
  • Diameter 120mm
  • Height 20mm

Diaphragm

  • Effective diameter 110mm
  • Effective area SD 95cm²
  • Moving mass MMS 12.4g
  • Moving mass (without air load) MMD 11.7g

Suspensions

  • Stiffness KMS 0.578N/mm
  • Compliance CMS 1730µm/N
  • Equivalent volume to the compliance VAS 22L
  • Mechanical resistance RMS 0.91N·s/m

Dimensions

  • Nominal diameter 5
  • 130mm
  • Overall diameter 157mm
  • Baffle cutout diameter 127mm
  • Overall depth 83mm
  • Flange thickness 6mm
  • Mounting depth 77mm
  • Volume occupied by the driver (estimated) 0.66L
  • Net weight 2.37kg
  • Frame material Aluminum
Aurum Cantus AC130/50CK Impedance & Phase
Aurum Cantus AC130/50CK SPL
Aurum Cantus AC130/50CK Dimensions

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