Aurum Cantus AC130/50CK

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
• Frequency response 37 - 4500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 3.17
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 57cm³
• 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 9.1N/A
• Motor constant Bl/√RE 3.44N/√W
• Diameter 120mm
• Height 20mm

Diaphragm

• Effective diameter 110mm
• Effective area SD 95cm²
• Moving mass MMS 12.4g
• Moving mass (without air load) MMD 11.7g

Suspensions

• Stiffness KMS 0.578N/mm
• Compliance CMS 1730µm/N
• Equivalent volume to the compliance VAS 22L
• Mechanical resistance RMS 0.91N·s/m

Dimensions

• Nominal diameter 5″
• 130mm
• Overall diameter 157mm
• Baffle cutout diameter 127mm
• Overall depth 83mm
• Flange thickness 6mm
• Mounting depth 77mm
• Volume occupied by the driver (estimated) 0.66L
• Net weight 2.37kg
• Frame material Aluminum