3-way floorstanding speaker. 38cm alnico magnet woofer, 10cm Bi-Radial™ waveguide magnesium compression driver for mids and highs, and 2.5cm Bi-Radial™ waveguide magnesium super-tweeter. Power 500W max. Frequency Response: 48Hz-50kHz. Impedance 8 ohms. Sensitivity (2.83V@1m) 93dB. Gold-plated terminals and prepared for Bi-wiring. Treble and bass attenuators in three positions. Dimensions (WxHxD) 56x120x35cm. Weight 82.7Kg.