VISATON FR 8 - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 130 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 150Hz
• Mechanical quality factor QMS 5.38
• Electrical quality factor QES 1.30
• Total quality factor QTS 1.05

Large signal parameters

• Maximum linear excursion xmax 1mm
• Maximum excursion before damage xlim 2mm
• Air volume displaced at xmax VD 3cm³
• Power handling P 10W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.3mH
• VC Diameter 15mm
• Winding height HVC 5mm

Magnet

• Flux density B 1.4T
• Force factor Bl 2.1N/A
• Motor constant Bl/√RE 1.14N/√W
• Air gap height HAG 3mm

Diaphragm

• Effective diameter 62mm
• Effective area SD 30cm²
• Moving mass MMS 1.6g
• Moving mass (without air load) MMD 1.5g

Suspensions

• Stiffness KMS 2.13N/mm
• Compliance CMS 470µm/N
• Equivalent volume to the compliance VAS 0.6L
• Mechanical resistance RMS 0.28N·s/m

Dimensions

• Nominal diameter 3.3″
• 80mm
• Baffle cutout diameter 75mm
• Net weight 0.24kg