Kartesian Wib120_vHE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
• Frequency response 60 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 68Hz
• Mechanical quality factor QMS 2.25
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.56

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 21cm³

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.09mH

Magnet

• Force factor Bl 3.98N/A
• Motor constant Bl/√RE 1.68N/√W
• Diameter 90mm

Diaphragm

• Effective diameter 82mm
• Effective area SD 52.8cm²
• Moving mass MMS 4.9g
• Moving mass (without air load) MMD 4.6g

Suspensions

• Stiffness KMS 0.894N/mm
• Compliance CMS 1118µm/N
• Equivalent volume to the compliance VAS 4.4L
• Mechanical resistance RMS 0.93N·s/m

Dimensions

• Nominal diameter 4.5″
• 120mm
• Overall diameter 120mm
• Baffle cutout diameter 98mm
• Overall depth 68mm
• Flange thickness 5mm
• Mounting depth 63mm
• Volume occupied by the driver (estimated) 0.25L