VISATON FR 10 - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
• Frequency response 80 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 90Hz
• Mechanical quality factor QMS 2.29
• Electrical quality factor QES 0.70
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Maximum excursion before damage xlim 4mm
• Air volume displaced at xmax VD 7.5cm³
• Power handling P 30W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 20mm
• Winding height HVC 6mm

Magnet

• Flux density B 0.95T
• Force factor Bl 4.6N/A
• Motor constant Bl/√RE 2.57N/√W
• Air gap height HAG 3mm

Diaphragm

• Effective diameter 80mm
• Effective area SD 50cm²
• Moving mass MMS 5.7g
• Moving mass (without air load) MMD 5.4g

Suspensions

• Stiffness KMS 1.54N/mm
• Compliance CMS 649µm/N
• Equivalent volume to the compliance VAS 2.3L
• Mechanical resistance RMS 1.41N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Baffle cutout diameter 100mm
• Volume occupied by the driver (estimated) 0.14L
• Net weight 0.38kg