VISATON FRS 7 S - 8 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
• Frequency response 120 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 150Hz
• Mechanical quality factor QMS 5.38
• Electrical quality factor QES 2.01
• Total quality factor QTS 1.46

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Maximum excursion before damage xlim 1.5mm
• Air volume displaced at xmax VD 3.3cm³
• Power handling P 8W
• Program power Pmax 15W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 14mm
• Winding height HVC 5mm

Magnet

• Flux density B 1.2T
• Force factor Bl 1.8N/A
• Motor constant Bl/√RE 0.67N/√W
• Air gap height HAG 2mm

Diaphragm

• Effective diameter 53mm
• Effective area SD 22cm²
• Moving mass MMS 0.8g
• Moving mass (without air load) MMD 0.7g

Suspensions

• Stiffness KMS 0.763N/mm
• Compliance CMS 1311µm/N
• Equivalent volume to the compliance VAS 0.9L
• Mechanical resistance RMS 0.14N·s/m

Dimensions

• Nominal diameter 2.5″
• 65mm
• Baffle cutout diameter 61mm
• Net weight 0.2kg