30 cm (12) woofer with air-dried cone and pressure vented pole piece. Highlights * Very flat frequency response for easy system integration * Great for use as a HiFi woofer or as a subwoofer * Great sensitivity combined with low Fs and Qts for high performance Product Details Visaton W 300 - 8 12 Woofer 8 Ohm This woofer is designed to be a high performance replacement speaker at a budget price point. A foam surround, ribbed treated-paper cone, and vented pole piece offer longevity while capturing that classic sound from the golden era of loudspeakers. An excursion limit of ±14 mm allows this driver to pump out some serious bass, rivaling some subwoofer, in many different sized sealed, acoustic suspension or ported cabinets. A smooth frequency response makes for easy integration with many different midrange speakers and tweeters.