Kartesian Sub185_vKi

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.9dB
• Frequency response 25 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 28Hz
• Mechanical quality factor QMS 6.80
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 15mm
• Air volume displaced at xmax VD 269cm³
• Power handling P 125W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.38mH

Magnet

• Force factor Bl 10.1N/A
• Motor constant Bl/√RE 4.43N/√W
• Diameter 120mm
• Height 64mm

Diaphragm

• Effective diameter 151mm
• Effective area SD 179cm²
• Moving mass MMS 37g
• Moving mass (without air load) MMD 35.3g

Suspensions

• Stiffness KMS 1.14N/mm
• Compliance CMS 874µm/N
• Equivalent volume to the compliance VAS 39.7L
• Mechanical resistance RMS 0.96N·s/m

Dimensions

• Nominal diameter 8″
• 185mm
• Overall diameter 185mm
• Baffle cutout diameter 168mm
• Overall depth 129mm
• Flange thickness 7mm
• Mounting depth 122mm
• Volume occupied by the driver (estimated) 1L