The name A.C.T. is an acronym for ‘Advanced Composite Technology’ – it is a reference to the carbon fiber composite technologies upon which the Wilson Benesch brand was founded and subsequently has become synonymous with. The A.C.T. acronym was used when naming the companies first loudspeaker the A.C.T. One in 1991 and appeared subsequently in the A.C.T. Two, A.C.T. and A.C.T. C60 loudspeakers.
The A.C.T. One Evolution therefore follows a long line of speakers, embodying the heritage of the Wilson Benesch brand and a now classic A.C.T. design. The characteristic sloping, curved A.C.T. top that was revolutionary in the original design remains, but like the C60 before it, the top is now manufactured from carbon fiber. Similar physical proportions have been retained, however the A.C.T. One Evolution has departed entirely from the traditional drive unit topology used in the previous iterations of the design. The new A.C.T. One Evolution incorporates the Troika System which has been taken directly from the flagship Cardinal loudspeaker.
Description: Floor standing loudspeaker; 2.5-way, true linear phase, free space, ported enclosure
Drive Units: 1 x 170mm (7”) WB Tactic II mid-range unit; 1 x 170mm (7”) WB Tactic II Low Mid / Bass Unit; 1 x 170mm (7”) WB Tactic II Bass Unit 1 x 25mm (1”) WB Semisphere Silk-Carbon Hybrid Dome Tweeter
Low Freq. Loading: Double chamber, differential tuning, Bessel alignment of fourth order reflex
Freq. response: 34Hz – 30kHz +- 2dB on axis
Sensitivity: 89dB spl (2.83V/1m)
Impedance: 6 Ohms Nom / 4 Ohms Min.
Crossover: Second order tweeter crossover; High midrange unit connected directly to the amplifier; First order Low midrange crossover; First order bass crossover Selected polypropylene capacitors and air cored inductors used throughout
Crossover Freq.: 180Hz / 500Hz / 5kHz
Internal wiring: Hand-Built loom comprised of multi-stranded military specification silver plated copper. With PTFE jacket soldered connections throughout
Input Connections: Tri-Wireable, in-house machined rhodium plated copper alloy terminals mounted underside of loudspeaker foot