EASTECH 65A20EHC19267

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 187Hz
• Mechanical quality factor QMS 6.18
• Electrical quality factor QES 1.25
• Total quality factor QTS 1.04

Large signal parameters

• Maximum linear excursion xmax 0.3mm
• Air volume displaced at xmax VD 0.6cm³
• Power handling P 20W
• Program power Pmax 25W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.1Ω
• Inductance (1kHz) LE 0.142mH
• VC Diameter 20.3mm
• Winding height HVC 4.6mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 3.42N/A
• Motor constant Bl/√RE 1.28N/√W
• Air gap height HAG 4mm
• Material Neodymium

Diaphragm

• Effective diameter 51mm
• Effective area SD 20cm²
• Moving mass MMS 1.78g
• Moving mass (without air load) MMD 1.7g
• Material Paper

Suspensions

• Stiffness KMS 2.46N/mm
• Compliance CMS 406µm/N
• Equivalent volume to the compliance VAS 0.23L
• Mechanical resistance RMS 0.34N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2.5″
• 64mm
• Net weight 0.085kg
• Frame material Steel