Aurum Cantus AC-200MK2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 25 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 3.99
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.23

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 176cm³
• 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 1.11T
• Force factor Bl 10.6N/A
• Motor constant Bl/√RE 4.01N/√W
• Diameter 145mm
• Height 20mm

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 29.2g
• Moving mass (without air load) MMD 26.7g

Suspensions

• Stiffness KMS 0.629N/mm
• Compliance CMS 1590µm/N
• Equivalent volume to the compliance VAS 108L
• Mechanical resistance RMS 1.15N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 222mm
• Baffle cutout diameter 185mm
• Overall depth 102mm
• Flange thickness 5mm
• Mounting depth 97mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 3.01kg
• Frame material Aluminum