Aurum Cantus AC180/50C2C

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.4dB
• Frequency response 35 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 3.57
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.30

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 9N/A
• Motor constant Bl/√RE 3.4N/√W
• Diameter 120mm
• Height 20mm

Diaphragm

• Effective diameter 146mm
• Effective area SD 168cm²
• Moving mass MMS 19.5g
• Moving mass (without air load) MMD 17.9g

Suspensions

• Stiffness KMS 0.885N/mm
• Compliance CMS 1130µm/N
• Equivalent volume to the compliance VAS 45L
• Mechanical resistance RMS 1.2N·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