Aurum Cantus AC-180F1D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.8dB
• Frequency response 37 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 3.47
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.59

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 101cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.1mH
• VC Diameter 35mm
• Winding height HVC 17mm

Magnet

• Flux density B 1.13T
• Force factor Bl 3.3N/A
• Motor constant Bl/√RE 1.79N/√W
• Diameter 120mm
• Height 20mm

Diaphragm

• Effective diameter 146mm
• Effective area SD 168cm²
• Moving mass MMS 14.9g
• Moving mass (without air load) MMD 13.3g

Suspensions

• Stiffness KMS 0.518N/mm
• Compliance CMS 1930µm/N
• Equivalent volume to the compliance VAS 77L
• Mechanical resistance RMS 1N·s/m

Dimensions

• Nominal diameter 8″
• 180mm
• Overall size 184 x 184mm
• Baffle cutout diameter 169mm
• Overall depth 93mm
• Flange thickness 6mm
• Mounting depth 87mm
• Volume occupied by the driver (estimated) 0.75L
• Net weight 2.2kg
• Frame material Aluminum