EASTECH FSB132030-0400

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 174Hz
• Mechanical quality factor QMS 9.99
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.66

Large signal parameters

• Maximum linear excursion xmax 1.9mm
• Air volume displaced at xmax VD 5.7cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.101mH
• VC Diameter 20.3mm
• Winding height HVC 7.2mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 3.64N/A
• Motor constant Bl/√RE 2N/√W
• Air gap height HAG 3.5mm
• Material Ferrite

Diaphragm

• Effective diameter 62mm
• Effective area SD 30.2cm²
• Moving mass MMS 2.58g
• Moving mass (without air load) MMD 2.5g
• Material Paper

Suspensions

• Stiffness KMS 3.13N/mm
• Compliance CMS 320µm/N
• Equivalent volume to the compliance VAS 0.42L
• Mechanical resistance RMS 0.28N·s/m
• Surround material Rubber Coated Cloth

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.17L
• Net weight 0.446kg
• Frame material Steel