VISATON FR 58 - 8 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.9dB
• Frequency response 120 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 190Hz
• Mechanical quality factor QMS 2.41
• Electrical quality factor QES 1.64
• Total quality factor QTS 0.98

Large signal parameters

• Maximum linear excursion xmax 0.6mm
• Maximum excursion before damage xlim 5.5mm
• Air volume displaced at xmax VD 0.8cm³
• Power handling P 10W
• Program power Pmax 12W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.3Ω
• Inductance (1kHz) LE 0.15mH
• VC Diameter 14mm
• Winding height HVC 3.5mm

Magnet

• Force factor Bl 2.27N/A
• Motor constant Bl/√RE 0.84N/√W
• Air gap height HAG 2.4mm

Diaphragm

• Effective diameter 41mm
• Effective area SD 13.2cm²
• Moving mass MMS 0.97g
• Moving mass (without air load) MMD 0.9g

Suspensions

• Stiffness KMS 1.37N/mm
• Compliance CMS 728µm/N
• Equivalent volume to the compliance VAS 0.18L
• Mechanical resistance RMS 0.48N·s/m

Dimensions

• Nominal diameter 2.3″
• 58mm
• Baffle cutout diameter 57mm
• Net weight 0.13kg