VISATON FR 10 F - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.6dB
• Frequency response 100 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 133Hz
• Mechanical quality factor QMS 6.50
• Electrical quality factor QES 1.99
• Total quality factor QTS 1.52

Large signal parameters

• Maximum excursion before damage xlim 4mm
• Power handling P 20W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz) LE 0.35mH
• VC Diameter 14mm

Magnet

• Force factor Bl 1.7N/A
• Motor constant Bl/√RE 0.88N/√W
• Air gap height HAG 3mm

Diaphragm

• Effective diameter 81mm
• Effective area SD 52cm²
• Moving mass MMS 2.4g
• Moving mass (without air load) MMD 2.1g

Suspensions

• Stiffness KMS 1.74N/mm
• Compliance CMS 574µm/N
• Equivalent volume to the compliance VAS 2.2L
• Mechanical resistance RMS 0.31N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Baffle cutout diameter 94mm
• Volume occupied by the driver (estimated) 0.14L
• Net weight 0.2kg