EASTECH 85K60EHC19255

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 125Hz
• Mechanical quality factor QMS 7.75
• Electrical quality factor QES 1.85
• Total quality factor QTS 1.49

Large signal parameters

• Maximum linear excursion xmax 1.6mm
• Air volume displaced at xmax VD 5.7cm³
• Power handling P 10W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.067mH
• VC Diameter 19.4mm
• Winding height HVC 7.2mm
• Winding material Copper Clad Aluminium
• Former material Aluminum

Magnet

• Force factor Bl 2.93N/A
• Motor constant Bl/√RE 1.17N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 68mm
• Effective area SD 35.8cm²
• Moving mass MMS 3.08g
• Moving mass (without air load) MMD 2.9g
• Material Paper

Suspensions

• Stiffness KMS 1.99N/mm
• Compliance CMS 502µm/N
• Equivalent volume to the compliance VAS 0.911L
• Mechanical resistance RMS 0.32N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3.25″
• 83mm
• Volume occupied by the driver (estimated) 0.11L
• Net weight 0.287kg
• Frame material Plastic