A.C.T. One Evolution Floorstanding Loudspeaker

A.C.T. One Evolution Floorstanding Loudspeaker

A distinctive Wilson Benesch floor standing loudspeaker design. The A.C.T. One Evolution references the company’s multi-award winning A.C.T. Loudspeaker lineage.
A distinctly British design with heritage.

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The name A.C.T. is an acronym for ‘Advanced Composite Technology’ – it is a reference to the carbon fibre 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 fibre. 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 development of the Wilson Benesch Cardinal loudspeaker.

This revolutionary new drive unit topology, combined with the latest State-of-the-Art Wilson Benesch drive technology sets the design apart from the A.C.T. designs which precede it.


  • Anodised Black baffle
  • Black Satin foot, spine, mid & top plate
  • High Gloss 2×2 Twill Carbon Fibre A.C.T. Monocoque
  • A.C.T. Carbon Composite Carbon Fibre Top (Piano Black finish on the standard model, raw Carbon Fibre on the P1 Edition)
  • Bespoke side cheek options
    • Black Satin – Standard, no upcharge
    • Titanium- Standard, no upcharge
    • Birds Eye Maple Gloss
    • Burr Walnut Gloss
    • Walnut Gloss
    • Red Tulip Gloss
    • White Gloss
    • Piano Black Gloss
  • Bespoke P1 Version – A.C.T. Monocoque Coloured Carbon Fibre
    • Enzo Red
    • Ettore Blue
    • Silverstone Silver
  • Bespoke Grill P1 Version
    • Enzo Red Grill Mesh & Elon Sockets
    • Ettore Blue Grill Mesh & Elon Sockets
    • Silverstone Silver Grill Mesh & Elon Sockets



  • 1 x 25mm ( 1″) Wilson Benesch Semisphere tweeter

  • 1 x 170mm ( 7″) Wilson Benesch Tactic II lower mid-range drive unit

  • 1 x 170mm ( 7″) Wilson Benesch Tactic II upper mid-range drive unit
  • 1 x 170mm ( 7″) Wilson Benesch Tactic II bass drive unit


  • Poly-alloy hybrid construction

  • High performance carbon composite A.C.T. Monocoque

  • Lower mid range ported enclosure

  • Upper mid range ported enclosure

  • Bass ported enclosure



  • 2.5-way floor standing loudspeaker

  • Impedance: 6Ω nominal / 4Ω minimal

  • Sensitivity: 89dB at 1 metre on-axis, 2.83V input

  • Frequency response: 34Hz – 30KHz +/- 2dB

  • Minimum amplification power recommendation: 100 W / channel

  • Crossover frequency: 180Hz / 500Hz / 5kHz



  • Height: 1190mm

  • Width: 230mm

  • Depth: 400mm

  • Volume: 46L

  • Weight per channel: 50kg

Upgrades & Accessories


User Manual
Manufacturer Website


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