fenestria

The 75mm soft-dome mid-range driver covers the key frequencies in instrumental and vocal recordings ensuring dynamic beautifully lifelike reproduction. The drivers carefully shaped spun aluminium form was engineered to be acoustically inert producing stable pin-sharp imaging without unwanted reflections when teamed with the tweeter in the nest.

The nest’s minimal sculpted form is decoupled from the cabinet connecting with it minimally via four isolation mounts. This excludes vibrations that might colour the treble and mid-range while the baffle-less design excludes reflections that degrade the imaging in traditional cabinet loudspeakers creating the sonic impression that the drivers are suspended freely in space.

As well as acoustically damping the nest to prevent distortion in fenestria’s mid-range and treble drivers to reduce unwanted low-frequency vibration from the bass drivers and ATL we employed an innovative design concept derived from technology used to prevent earthquake damage to tall buildings. The planar sides of the speakers move in opposition to the unwanted vibrations cancelling them out

The source of PMC’s legendary natural realistic sound is the Advanced Transmission Line (ATL) bass-loading technology professionally proven all around the world. ATL uses energy generated by the bass unit in a much more intelligent efficient way than speaker designs based on ported or sealed boxes. In ATL loudspeakers the highly braced cabinet is lined with a multitude of custom-designed acoustic materials that absorb all but the very lowest frequencies. These exit from a front-panel vent extending the low-frequency response and creating the impression of a far larger speaker with an extra ultra-high quality bass unit.