EASTECH FSISD5080-8400

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 5.85
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 5.4mm
• Air volume displaced at xmax VD 109cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 1.24mH
• VC Diameter 30.5mm
• Winding height HVC 18.8mm
• Winding material PESVW
• Former material Aluminum

Magnet

• Force factor Bl 9.75N/A
• Motor constant Bl/√RE 5.29N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 160mm
• Effective area SD 201cm²
• Moving mass MMS 47.7g
• Moving mass (without air load) MMD 45.6g
• Material Paper

Suspensions

• Stiffness KMS 3.95N/mm
• Compliance CMS 253µm/N
• Equivalent volume to the compliance VAS 14.5L
• Mechanical resistance RMS 2.35N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 8″
• 203mm
• Volume occupied by the driver (estimated) 0.98L
• Net weight 2.37kg
• Frame material Steel