ASC StudioTrap Acoustic Treatment

ASC StudioTrap Acoustic Treatment

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ASC StudioTrap Acoustic Absorber & Diffusor offers adjustable treble absorption & diffusion, 360 degree mid bass trapping, and variable height in one convenient, portable package.


The ASC StudioTrap is a specially designed ASC TubeTrap mounted on a heavy duty, adjustable height stand that features a bass trap and diffusor in one portable tube.

StudioTraps are cylindrical acoustic absorbers with a reflective side. Used by renowned music producers, mixing engineers, and artists in the studio. Standing on a tripod, StudioTraps are adjustable from 4 feet to 6 feet tall. You can quickly modify the height and diffusion characteristics in order to create the exact soundspace you need at that time. The fact that these are so light in weight makes them easy to move around the room, down the hall, or around the world. These innovative acoustic columns provide a multitude of uses in the recording studio.


How StudioTraps Work

Half of the StudioTrap body is treble diffusive which provides a a bright backscatter for frequencies above approx 800 Hz. The other half of the body is broadband absorptive, maintaining 50% efficiency all the way down to 110 Hz. As with all TubeTrap products, the bass trapping occurs through the action of an acoustic RC circuit which operates nearly instantaneously, providing control of sonic events all the way through the ADSR envelope without coloring the timbre or tone.

As used in an AttackWall, the characteristic impedance of the StudioTrap's inner material allows it to partially absorb and partially vent low frequency energy emanating from the loudspeakers. The "impedance walls" created by several StudioTraps arrayed together allow the operating frequency to extend well into the subwoofer range, where energy dissipation and diffusion both occur.

When arranged in a QuickSoundField layout, each StudioTrap is oriented with its diffusive face (indicated by the bright shiny button) toward the microphone and talent. The most common QSF size (8 StudioTraps in a horseshoe pattern) provides an extraordinarily dense sequence of early reflections in the "presence" tonal range. Thousands of reflections arrive at the microphone within the Haas window, strengthening the direct signal, while the absorptive outer faces of the StudioTraps reduce the reverberant noise. This improved S/N ratio allows greater mobility of the performer during recording (such as a singer dancing, or a saxophonist reeling up and down) without compromising the quality of the track.

Each unit measures 9 1/2" diameter and can extend from a height of 54” to 74”. For the engineer on-the-go, StudioTrap carrying bags are available by special order

StudioTraps Are available in a variety of custom colors. Please note there is an extra charge for custom colors.


StudioTrap Features:

  • Extremely portable, as well as being quick and easy to set up at different heights.
  • Provide useful separation and control of room reflections.
  • Reflective/Absorptive sides provide great versatility.
  • Spill has a balanced frequency response.
  • Wide variety of potential applications.


StudioTrap Applications:

  • Vocal Recording
  • Instrument Recording
  • Live show stage isolation
  • Mixing
  • Mastering
  • Room tuning
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