VISATON WS 20 E - 8 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB
• Frequency response 47 - 7000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 5.36
• Electrical quality factor QES 1.59
• Total quality factor QTS 1.23

Large signal parameters

• Maximum linear excursion xmax 3mm
• Maximum excursion before damage xlim 6mm
• Air volume displaced at xmax VD 72cm³
• Power handling P 80W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.8Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 30mm
• Winding height HVC 11mm

Magnet

• Flux density B 0.85T
• Force factor Bl 5.5N/A
• Motor constant Bl/√RE 2.11N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 175mm
• Effective area SD 240cm²
• Moving mass MMS 21g
• Moving mass (without air load) MMD 18.5g

Suspensions

• Stiffness KMS 1.86N/mm
• Compliance CMS 539µm/N
• Equivalent volume to the compliance VAS 44L
• Mechanical resistance RMS 1.16N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Baffle cutout diameter 186mm
• Volume occupied by the driver (estimated) 0.52L
• Net weight 1.3kg