Kartesian Cox135_vPA-S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.1dB
• Frequency response 160 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 158Hz
• Mechanical quality factor QMS 2.36
• Electrical quality factor QES 0.79
• Total quality factor QTS 0.59

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 29cm³

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.58mH

Magnet

• Force factor Bl 8.78N/A
• Motor constant Bl/√RE 3.44N/√W
• Diameter 110mm
• Height 34mm

Diaphragm

• Effective diameter 110mm
• Effective area SD 95cm²
• Moving mass MMS 9.4g
• Moving mass (without air load) MMD 8.7g

Suspensions

• Stiffness KMS 9.26N/mm
• Compliance CMS 108µm/N
• Equivalent volume to the compliance VAS 1.38L
• Mechanical resistance RMS 3.95N·s/m

Dimensions

• Nominal diameter 5.5″
• 135mm
• Overall diameter 142mm
• Baffle cutout diameter 121mm
• Overall depth 103mm
• Flange thickness 8mm
• Mounting depth 95mm
• Volume occupied by the driver (estimated) 0.54L