Visaton W170S, 187mm (7in) Paper Cone Woofer, with 25mm Voice Coil, #9025, 8ohm.
18.7 cm (7") HiFi woofer with coated paper cone, powerful drive and extended rear pole plate.
Special voice-coil and elastic rubber surround for long strokes.
Recommended cabinets:
Volume/Principle BR-Channel fb fc/QTC 20 l/closed - - 57 Hz/0,74 20 l/bass reflex BR 19.24 (length 14 cm) 44 Hz - 30 l/bass reflex BR 15.34 (length 12 cm) 39 Hz - 50 l/bass reflex BR 15.34 33 Hz -
