Codia Stage 3000 Duo Rack

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Codia Acoustic Design’s Stage 3000 is a wooden audio rack designed to reduce the effects of resonant frequencies with diagonal slits of varying lengths and solid posts.

Design Features:

  • Baltic wood is a great shelving material. Besides its strength and hardness, the multi-layer plywood has different densities to absorb vibration at different frequencies.
  • Openings in different lengths can even out vibrations at different frequencies, similar to how acoustic diffusers work.
  • Solid aluminium posts eliminate more ringing compared to hollow posts.
  • Anti-vibration system between shelf and solid aluminium post.
  • Carbon washers transfers vibrations faster than soft washers.
  • Washers also act as a decoupling media between wood and metal.
  • Stainless steel spikes efficiently transfer vibration energy to the ground.
  • Stainless steel spike discs help dissipate vibration energy radially in all 360 degrees.


  • Shelf panel thickness: 30 mm
  • Shelf panel size: 1125 x 535 mm (width x depth)
  • Overall width: 1240 mm
  • Column diameter: 35 mm
  • Column lengths: 150, 180, 240, or 300 mm
  • Up to 4 shelves
  • Loading capacity per shelf: 70 kg
  • Shelf panel material:
    • Inner panel: Baltic Birch Plywood
    • Front frame: Available in Hard Maple, Bubinga, or Rosewood


  • Current design has extra spike added in the center of the bottom shelf for extra stability.
  • Spikes are available in silver only. (Some pictures depict gold colored spikes and spike discs, but they are not available.)