Kartesian Lom120_vPA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 100 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 7.12
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 14cm³

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.39mH

Magnet

• Force factor Bl 8.7N/A
• Motor constant Bl/√RE 3.47N/√W
• Diameter 55mm
• Height 27mm

Diaphragm

• Effective diameter 84mm
• Effective area SD 55.4cm²
• Moving mass MMS 6.52g
• Moving mass (without air load) MMD 6.2g

Suspensions

• Stiffness KMS 3.7N/mm
• Compliance CMS 270µm/N
• Equivalent volume to the compliance VAS 1.17L
• Mechanical resistance RMS 0.69N·s/m

Dimensions

• Nominal diameter 4.5″
• 120mm
• Overall size 106 x 106mm
• Baffle cutout diameter 100mm
• Overall depth 68mm
• Flange thickness 5mm
• Mounting depth 63mm
• Volume occupied by the driver (estimated) 0.21L