Specific

Geometry: 3 way floorstanding vented box loudspeaker
Cabinet: Super - rigid, arch - shaped solid wood structure, decoupled with aluminium - magnesium parts to obtain resonance control. Hand - crafted by master artisans. 
Tweeter: 29mm silk - dome by Ragnar Lian, one of the greatest masters among transducer designer. An ongoing project for 30 years
Mid - woofer: legendary, custom made,150 mm microspheres cone, optimized for the best control of cone break - up. Symmetrical drive motor system.
Woofer: 180 mm microspheres cone, aluminium dust cap. 
Cross - over: Phase coherent finalized to achieve precise soundstaging, focus and depth of image. Selected premium parts. 
The electrical cross - over provides completely phase accurate transitions between drivers to preserve the recordings spatial information.

Frequency response: 35Hz - 22KHz, in room
Nominal impedance: 4ohm
Sensitivity: 88dB/2.83V/1m
Minimum power amplifier: 20W/channel
Dimensions: 1100 x 230 x 430 (HxWxD)
Weight: 60 Kg/pair speaker unpacked 70 Kg /pair packed
Finish: Solid walnut - Metal parts of chrome and aluminium