How to Use the Behringer Feedback Destroyer

Written by mark rutkowski
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The Behringer Feedback Destroyer is a rack-mounted device that searches input signals for feedback and uses narrow notch filters to eliminate the feedback. This results in an output without feedback and improved tone purity. These filters can be manually set or controlled automatically by the device. The Feedback Destroyer can locate and remove up to 12 frequencies of feedback per channel, effectively eliminating any unwanted feedback from the outputted sound. This is useful for playing live in loud settings.

Skill level:
Moderately Easy

Things you need

  • XLR or 1/4-inch cable
  • Monitor or PA system
  • Three-pronged audio cable

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  1. 1

    Connect an XLR cable or quarter-inch cable into the main input on the back of the device. Also on the back of the device, connect the three-pronged cable to the receiver or PA system from the main output.

  2. 2

    Turn the power on with the power switch on the front of the device. Press the "Filter Mode" to select an operating mode. Scroll by pressing this button until the selected mode is automatic mode, displayed as "AU."

  3. 3

    Press the "Frequency" key to select a frequency range to edit. Edits can be made with the scroll wheel. Press the "Bandwidth" key to adjust the filter range of the selected bandwidth. Store changes by pressing the "Store" key.

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