Visaton WS 20 E - 4 Ohm 20 cm hi-fi woofer driver

Product specifications

• brand/type: visaton ws 20 e (4 ohm)
• product type: hi-fi woofer (suitable as low-mid driver)
• quantity: 1 woofer
• cone material: polypropylene
• diameter: 20 cm (8")
• nominal impedance (z): 4 ohms
• dc resistance (rdc): 3.3 ohms
• rated power: 80 w
• maximum power: 120 w
• frequency response: fu - 7000 hz (fu depending on enclosure)
• average sensitivity: 88 db (1 w/1 m)
• opening angle (-6 db): 67° @ 4000 hz
• maximum excursion: +/- 6 mm
• resonance frequency (fs): 47 hz
• magnetic induction: 0.85 t
• magnetic flux: 400 µwb
• front pole-plate height: 5 mm
• voice coil diameter: 30 mm
• winding height: 11 mm
• cut-out diameter: 186 mm
• equivalent air volume (vas): 39 l
• qms: 5.56
• qes: 1.44
• qts: 1.14
• effective membrane surface area (sd): 240 cm²
• moving mass (mms): 23 g
• power factor (wxl): 4.5 t m
• voice coil inductance (l): 0.7 mh
• connections: 5.2 x 0.8 mm (+) / 2.8 x 0.8 mm (-)
• degree of protection: ip65
• net weight: 1.3 kg
• item number: 1057
• weee-reg.no: the 79837685