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Les Davis - Vibrare Fermata - Power Board Filter



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Simply stated, constrained layer damping (CLD) is a modern technology used to suppress vibrations. CLD involves a viscoelastic material that is sandwiched between two layers of a stiffer material. This approach to vibration control is used in a number of applications, most notably in the aerospace and aviation industry.

The Scientific Way…

In other words, CLD is based on solid scientific research. It is proven to be extremely effective in reducing vibrations in all types of precision applications.

After researching CLD, Les Davis naturally saw its potential in the high-end audio industry. He developed his own proprietary CLD material and tested it over an extended period of time. This resulted, of course, in Les Davis Audio 3D Constrained Layer Damping devices.


3D products are deceptively simple. They can be placed under all types of audio components to reduce vibration however the Vibrare Ferata was specifically designed for power boards. It converts a power board into a highly effective AC mains filter.


In each case, 3D makes a significant sonic difference in the overall sound. The noise floor is reduced. Music sounds fuller, with more visceral impact. The effect is not subtle--you will hear a difference when you use 3D in your audio system.

A Necessity not an Accessory!


  • Two strips of a unique formula of 3D(2), 10 x 500mm sandwiched between a maple wood board designed for a 6-in-line or 8-in-line powerboard
  • Black Finish only