This three-way speaker features dual 15-inch (380mm) three-layer sandwich cone woofers, a 4-inch (100mm) pure beryllium compression driver and a 1-inch (25mm) pure-beryllium ultra high-frequency driver for a superlative listening experience.

Features

4-inch (100mm) pure beryllium diaphragm compression driver mated to a patented Bi-Radial horn.

1-inch (25mm) pure-beryllium diaphragm ultra high-frequency driver.

1-inch (25mm) pure-beryllium diaphragm ultra high-frequency driver. Dual 15-inch (380-millimeter) three-layer (pure-pulp layers over and under a foam-injection core) sandwich cone woofers.

Specifications

3-Way Floor Standing Loudspeaker
Two 15” woofers
Self-charged Crossover network; Provides more transparent and detailed voicing with lower distortion (Class A Operation)
Frequency Response: 29 Hz – 60k Hz ( half space ); 45 Hz – 60k Hz ( anechoic )
Recommended Amplifier Power: 500 watts
Sensitivity: 96 dB Nominal Impedance 8 ohms; 5.0 ohms @ 80 Hz; 3.0 ohms @ 40k Hz
Dimensions: ( H ) 43.7” x ( W ) 38” x ( D ) 18.5” 
Weight: 313 lbs
Packaged Dimensions: ( H ) 28’’ x ( W ) 53.1’’ x ( D ) 49.8’’ 
Packaged Weight: 573 lbs