Aurum Cantus AC-165

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
• Frequency response 32 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 3.38
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 67cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.0Ω
• Inductance (1kHz) LE 0.35mH
• VC Diameter 25mm
• Winding height HVC 13mm

Magnet

• Flux density B 1.1T
• Force factor Bl 5.3N/A
• Motor constant Bl/√RE 2N/√W
• Diameter 100mm
• Height 20mm

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 9.6g
• Moving mass (without air load) MMD 8.5g

Suspensions

• Stiffness KMS 0.33N/mm
• Compliance CMS 3030µm/N
• Equivalent volume to the compliance VAS 76L
• Mechanical resistance RMS 0.57N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall size 163 x 163mm
• Baffle cutout diameter 152mm
• Overall depth 81mm
• Flange thickness 6mm
• Mounting depth 75mm
• Volume occupied by the driver (estimated) 0.47L
• Net weight 1.35kg
• Frame material Aluminum