Kartesian Bom185_vKi

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.5dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38Hz
• Mechanical quality factor QMS 6.00
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 10mm
• Air volume displaced at xmax VD 194cm³
• Power handling P 125W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.6Ω
• Inductance (1kHz) LE 0.095mH
• VC Diameter 78.5mm
• Winding material CCAW

Magnet

• Force factor Bl 11.6N/A
• Motor constant Bl/√RE 4.52N/√W
• Diameter 120mm
• Height 64mm
• Material NdFeB (grade N40H)

Diaphragm

• Effective diameter 157mm
• Effective area SD 194cm²
• Moving mass MMS 29g
• Moving mass (without air load) MMD 27.1g
• Material hexaKone paper cone

Suspensions

• Stiffness KMS 1.66N/mm
• Compliance CMS 604µm/N
• Equivalent volume to the compliance VAS 32.2L
• Mechanical resistance RMS 1.38N·s/m
• Surround material Low lost NBR

Dimensions

• Nominal diameter 8″
• 185mm
• Overall diameter 185mm
• Volume occupied by the driver (estimated) 1.8L
• Net weight 4.12kg
• Frame material Injected aluminium (ACD12)