VISATON FRS 10 WP - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.7dB
• Frequency response 90 - 19000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 190Hz
• Mechanical quality factor QMS 8.29
• Electrical quality factor QES 1.02
• Total quality factor QTS 0.91

Large signal parameters

• Maximum linear excursion xmax 1mm
• Maximum excursion before damage xlim 3mm
• Air volume displaced at xmax VD 5.7cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 20mm
• Winding height HVC 5mm

Magnet

• Flux density B 1T
• Force factor Bl 3.8N/A
• Motor constant Bl/√RE 2.06N/√W
• Air gap height HAG 3mm

Diaphragm

• Effective diameter 85mm
• Effective area SD 57cm²
• Moving mass MMS 2.4g
• Moving mass (without air load) MMD 2.1g

Suspensions

• Stiffness KMS 2.3N/mm
• Compliance CMS 434µm/N
• Equivalent volume to the compliance VAS 2L
• Mechanical resistance RMS 0.35N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Baffle cutout diameter 92mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.36kg