PUNKTKILDE FSB512030-3814

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 2.62
• Electrical quality factor QES 1.06
• Total quality factor QTS 0.75

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Maximum excursion before damage xlim 5mm
• Air volume displaced at xmax VD 6.5cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.0Ω
• Inductance (1kHz) LE 0.071mH
• VC Diameter 20.3mm
• Winding height HVC 8.1mm
• Winding material Copper Clad Aluminium
• Former material Aluminum

Magnet

• Force factor Bl 4.12N/A
• Motor constant Bl/√RE 1.56N/√W
• Air gap height HAG 3.5mm
• Material Ferrite

Diaphragm

• Effective diameter 60mm
• Effective area SD 28.3cm²
• Moving mass MMS 3.42g
• Moving mass (without air load) MMD 3.3g
• Material Glass Fiber

Suspensions

• Stiffness KMS 1.92N/mm
• Compliance CMS 520µm/N
• Equivalent volume to the compliance VAS 0.59L
• Mechanical resistance RMS 0.98N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.16L
• Net weight 0.433kg
• Frame material Steel