Kartesian Mid120_vHE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90dB
• Frequency response 180 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 104Hz
• Mechanical quality factor QMS 2.30
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 11cm³

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.09mH

Magnet

• Force factor Bl 5.12N/A
• Motor constant Bl/√RE 2.16N/√W

Diaphragm

• Effective diameter 83mm
• Effective area SD 54.4cm²
• Moving mass MMS 3.6g
• Moving mass (without air load) MMD 3.3g

Suspensions

• Stiffness KMS 1.54N/mm
• Compliance CMS 651µm/N
• Equivalent volume to the compliance VAS 2.8L
• Mechanical resistance RMS 1.02N·s/m

Dimensions

• Nominal diameter 4.5″
• 120mm
• Overall diameter 120mm
• Baffle cutout diameter 98mm
• Overall depth 44mm
• Flange thickness 5mm
• Mounting depth 39mm
• Volume occupied by the driver (estimated) 0.14L