EASTECH FSB012030-0800

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 140Hz
• Mechanical quality factor QMS 8.97
• Electrical quality factor QES 0.90
• Total quality factor QTS 0.82

Large signal parameters

• Maximum linear excursion xmax 1.9mm
• Air volume displaced at xmax VD 5.8cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.8Ω
• Inductance (1kHz) LE 0.221mH
• VC Diameter 20.3mm
• Winding height HVC 7.2mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 4.21N/A
• Motor constant Bl/√RE 1.51N/√W
• Air gap height HAG 3.5mm
• Material Ferrite

Diaphragm

• Effective diameter 62mm
• Effective area SD 31.2cm²
• Moving mass MMS 0.96g
• Moving mass (without air load) MMD 0.8g
• Material Dual-Concentric Coaxial Paper

Suspensions

• Stiffness KMS 2.15N/mm
• Compliance CMS 466µm/N
• Equivalent volume to the compliance VAS 0.641L
• Mechanical resistance RMS 0.229N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.18L
• Net weight 0.479kg
• Frame material Plastic