EASTECH ASDFD4000-0600

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 203Hz
• Mechanical quality factor QMS 3.02
• Electrical quality factor QES 2.11
• Total quality factor QTS 1.24

Large signal parameters

• Maximum linear excursion xmax 1.8mm
• Air volume displaced at xmax VD 4.7cm³
• Power handling P 10W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 6Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.08mH
• VC Diameter 16.3mm
• Winding height HVC 6.6mm
• Winding material EISVW
• Former material Kapton

Magnet

• Force factor Bl 2.73N/A
• Motor constant Bl/√RE 1.15N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 57mm
• Effective area SD 25.9cm²
• Moving mass MMS 2.2g
• Moving mass (without air load) MMD 2.2g
• Material Paper

Suspensions

• Stiffness KMS 3.57N/mm
• Compliance CMS 280µm/N
• Equivalent volume to the compliance VAS 0.9L
• Mechanical resistance RMS 0.92N·s/m
• Surround material Cloth

Dimensions

• Nominal size 2 x 4″
• 45 x 100mm
• Net weight 0.081kg
• Frame material Steel