Aurum Cantus AC200/50C2C

• 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 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