Aequo Audio Stilla 31.000 euro Review
December 17, 2020 § Leave a comment
As with the original, the Stilla’s tweeter is fitted with a dispersion cone to eliminate unwanted effects in the top octave, and also to fix the middle of the dome tweeter section against resonance. The membrane is driven directly by the voice coil as with any other tweeter but with a larger flexible surround than is the norm and with its center point fixed in position. That is something that I am not aware of anyone else doing. For the Stilla specifically, the acoustic lens was optimized by using fast 3D prototyping to make it work with even more demanding (smaller) rooms and to adjust time alignment of the slightly less tall speaker to best fit the various possible listening heights.
The mid-bass unit is made from mineral-filled PP and is fitted with a super-high-speed ferrite motor. The unit is mounted in a closed section with a tapered backside to avoid parallel walls and minimize the returning sound waves from the rear of the cabinet. Special Baileys longhair sheep wool is applied to dampen some of the remaining energy without the loss of natural and high sensitivity reproduction of