FaitalPRO 3FE25 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 100 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 110Hz
• Mechanical quality factor QMS 3.90
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 1.7mm
• Maximum excursion before damage xlim 7.9mm
• 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 0.04mH
• VC Diameter 19mm
• Winding height HVC 4.8mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Flux density B 1.1T
• Force factor Bl 3N/A
• Motor constant Bl/√RE 1.65N/√W
• Air gap height HAG 4mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 65mm
• Effective area SD 33cm²
• Moving mass MMS 2.4g
• Moving mass (without air load) MMD 2.3g

Suspensions

• Stiffness KMS 1.15N/mm
• Compliance CMS 870µm/N
• Equivalent volume to the compliance VAS 1.3L
• Mechanical resistance RMS 0.4N·s/m

Dimensions

• Nominal diameter 3″
• 80mm
• Overall size 81 x 106mm
• Baffle cutout diameter 74mm
• Overall depth 55mm
• Flange thickness 7mm
• Mounting depth 48mm
• Volume occupied by the driver 0.13L
• Net weight 0.545kg
• Frame material Steel