EASTECH FSB520508-1800

• Sensitivity (1W, 1m, infinite baffle) SPL1W 80.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 173Hz
• Mechanical quality factor QMS 6.34
• Electrical quality factor QES 1.40
• Total quality factor QTS 1.15

Large signal parameters

• Maximum linear excursion xmax 0.8mm
• Air volume displaced at xmax VD 1.4cm³
• Power handling P 5W
• Program power Pmax 10W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.8Ω
• Inductance (1kHz) LE 0.413mH
• VC Diameter 16.3mm
• Winding height HVC 4.6mm
• Winding material EISVW
• Former material Kapton

Magnet

• Force factor Bl 4.4N/A
• Motor constant Bl/√RE 1.57N/√W
• Air gap height HAG 3mm
• Material Ferrite

Diaphragm

• Effective diameter 47mm
• Effective area SD 17.4cm²
• Moving mass MMS 3.18g
• Moving mass (without air load) MMD 3.2g
• Material Paper

Suspensions

• Stiffness KMS 3.75N/mm
• Compliance CMS 267µm/N
• Equivalent volume to the compliance VAS 0.114L
• Mechanical resistance RMS 0.545N·s/m
• Surround material Rubber

Dimensions

• Nominal size 1.5 x 3.5″
• 40 x 85mm
• Net weight 0.176kg
• Frame material Steel