VISATON W 250 S - 4 Ohm

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.6dB
• Frequency response 33 - 5500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 2.01
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 5mm
• Maximum excursion before damage xlim 7mm
• Air volume displaced at xmax VD 173cm³
• Power handling P 100W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 38mm
• Winding height HVC 17mm

Magnet

• Flux density B 1T
• Force factor Bl 8.9N/A
• Motor constant Bl/√RE 4.69N/√W
• Air gap height HAG 7mm

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 32g
• Moving mass (without air load) MMD 27.5g

Suspensions

• Stiffness KMS 1.26N/mm
• Compliance CMS 795µm/N
• Equivalent volume to the compliance VAS 135L
• Mechanical resistance RMS 3.3N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Baffle cutout diameter 233mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 3.0kg