Eminence 620H

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 100 - 5300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 114Hz
• Mechanical quality factor QMS 5.50
• Electrical quality factor QES 0.54
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 0.4mm
• Air volume displaced at xmax VD 5.6cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.9Ω
• Inductance (1kHz) LE 0.25mH
• VC Diameter 25mm
• Winding material Copper
• Former material Paper

Magnet

• Force factor Bl 5.62N/A
• Motor constant Bl/√RE 2.83N/√W
• Air gap height HAG 6.4mm
• Weight 0.425kg
• Material Ferrite

Diaphragm

• Effective diameter 133mm
• Effective area SD 140cm²
• Moving mass MMS 6g
• Moving mass (without air load) MMD 4.8g
• Material Paper

Suspensions

• Stiffness KMS 3.13N/mm
• Compliance CMS 320µm/N
• Equivalent volume to the compliance VAS 8.67L
• Mechanical resistance RMS 0.78N·s/m
• Surround material Full molded paper

Dimensions

• Nominal diameter 6″
• 165mm
• Overall diameter 167mm
• Baffle cutout diameter 144mm
• Overall depth 71mm
• Volume occupied by the driver 0.3L
• Net weight 1.32kg
• Frame material Pressed steel