VISATON FR 10 HM - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB
• Frequency response 95 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 5.35
• Electrical quality factor QES 1.44
• Total quality factor QTS 1.13

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Maximum excursion before damage xlim 2mm
• Air volume displaced at xmax VD 7.5cm³
• Power handling P 20W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 14mm
• Winding height HVC 5mm

Magnet

• Flux density B 1.1T
• Force factor Bl 2.1N/A
• Motor constant Bl/√RE 1.17N/√W
• Air gap height HAG 2mm

Diaphragm

• Effective diameter 80mm
• Effective area SD 50cm²
• Moving mass MMS 2.7g
• Moving mass (without air load) MMD 2.4g

Suspensions

• Stiffness KMS 1.69N/mm
• Compliance CMS 592µm/N
• Equivalent volume to the compliance VAS 2.1L
• Mechanical resistance RMS 0.38N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Baffle cutout diameter 94mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.34kg