Interdyn P3 Floorstanding Loudspeakers Interdyn P3 Performance Series Loudspeakers. Sold by Encel Stereo in the 1990s. Made in Melbourne by Aranmar Acoustics using high quality Scandinavian SEAS drivers. Excellent condition. Please see the sales brochure in the photos for more information. Spec below: Design Principle: 3 way tuned port enclosure Woofer: SEAS 250mm Nitrile Surround, 4 layer voice coil, high gauss magnet Midrange: SEAS 100mm treated fibre cone Tweater: SEAS 19mm soft polymide done Frequency response: 40Hz - 20x000Hz Recommended Power: 30 - 100 Watts Sensitivity: 89 dB Nomina