Aurum Cantus AC180/50F1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.6dB
• Frequency response 33 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 3.82
• Electrical quality factor QES 0.27
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 101cm³
• 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 9.9N/A
• Motor constant Bl/√RE 3.74N/√W
• Diameter 120mm
• Height 20mm

Diaphragm

• Effective diameter 146mm
• Effective area SD 168cm²
• Moving mass MMS 18.6g
• Moving mass (without air load) MMD 17g

Suspensions

• Stiffness KMS 0.775N/mm
• Compliance CMS 1290µm/N
• Equivalent volume to the compliance VAS 52L
• Mechanical resistance RMS 1.01N·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) 0.82L
• Net weight 2.51kg
• Frame material Aluminum