VISATON W 170 S - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.4dB
• Frequency response 36 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36Hz
• Mechanical quality factor QMS 2.16
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 56cm³
• Power handling P 50W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 25mm
• Winding height HVC 12.5mm

Magnet

• Flux density B 1T
• Force factor Bl 4.4N/A
• Motor constant Bl/√RE 2.46N/√W
• Air gap height HAG 4mm

Diaphragm

• Effective diameter 128mm
• Effective area SD 129cm²
• Moving mass MMS 12g
• Moving mass (without air load) MMD 10.9g

Suspensions

• Stiffness KMS 0.621N/mm
• Compliance CMS 1610µm/N
• Equivalent volume to the compliance VAS 38L
• Mechanical resistance RMS 1.26N·s/m

Dimensions

• Nominal diameter 6.5″
• 170mm
• Baffle cutout diameter 148mm
• Volume occupied by the driver (estimated) 0.44L
• Net weight 1.1kg