25 cm (10) woofer with coated paper cone, rubber surround and extended rear pole plate for long strokes. Highlights * High Qts design for sealed cabinets * Rubber surround won't disintegrate * Bumped backplate and 5.5 mm of Xmax Product Details Visaton WS 25 E 10 HiFi Woofer 8 Ohm Visaton designed this woofer to replace vintage and modern home audio hi-fi woofers in sealed cabinet speakers. For a classic natural sound, the WS 25 E features a coated paper cone. A rubber surround and bumped back plate protect this woofer from overexcursion. Both the low free-air resonance and low inductance allow this driver to play from 34 Hz up to 6,000 Hz, making great for use in small 3-way speakers as well as large format 2-way speakers.