PUNKTKILDE FSB021030-0400

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 87.1Hz
• Mechanical quality factor QMS 3.74
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Maximum excursion before damage xlim 6mm
• Air volume displaced at xmax VD 5cm³
• Power handling P 10W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.323mH
• VC Diameter 30.5mm
• Winding height HVC 7mm
• Winding material PESVW
• Former material Aluminum

Magnet

• Force factor Bl 5.26N/A
• Motor constant Bl/√RE 2.78N/√W
• Air gap height HAG 4mm
• Material Neodymium

Diaphragm

• Effective diameter 65mm
• Effective area SD 33.2cm²
• Moving mass MMS 7.35g
• Moving mass (without air load) MMD 7.2g
• Material Ultra-Thin Paper

Suspensions

• Stiffness KMS 2.2N/mm
• Compliance CMS 454µm/N
• Equivalent volume to the compliance VAS 0.707L
• Mechanical resistance RMS 1.08N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3″
• 76mm
• Net weight 0.156kg
• Frame material Steel