Kartesian Sub250_vHE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.6dB
• Frequency response 25 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 26Hz
• Mechanical quality factor QMS 6.40
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 10mm
• Air volume displaced at xmax VD 338cm³

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.2Ω
• Inductance (1kHz) LE 0.615mH

Magnet

• Force factor Bl 14.9N/A
• Motor constant Bl/√RE 7.27N/√W
• Diameter 100mm
• Height 62mm

Diaphragm

• Effective diameter 207mm
• Effective area SD 338cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 101g

Suspensions

• Stiffness KMS 2.83N/mm
• Compliance CMS 353µm/N
• Equivalent volume to the compliance VAS 57.3L
• Mechanical resistance RMS 2.71N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 267mm
• Baffle cutout diameter 231mm
• Overall depth 146mm
• Flange thickness 11mm
• Mounting depth 135mm
• Volume occupied by the driver (estimated) 2L