Kartesian Wib70_vPA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
• Frequency response 150 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 215Hz
• Mechanical quality factor QMS 6.41
• Electrical quality factor QES 0.77
• Total quality factor QTS 0.69

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 5.3cm³

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.13mH

Magnet

• Force factor Bl 4.15N/A
• Motor constant Bl/√RE 1.64N/√W
• Diameter 38mm

Diaphragm

• Effective diameter 52mm
• Effective area SD 21.2cm²
• Moving mass MMS 1.54g
• Moving mass (without air load) MMD 1.5g

Suspensions

• Stiffness KMS 2.8N/mm
• Compliance CMS 357µm/N
• Equivalent volume to the compliance VAS 0.228L
• Mechanical resistance RMS 0.32N·s/m

Dimensions

• Nominal diameter 3″
• 70mm
• Overall size 70 x 70mm
• Baffle cutout diameter 65mm
• Overall depth 45mm
• Flange thickness 4mm
• Mounting depth 41mm
• Volume occupied by the driver (estimated) 0.13L