# Korg A3 (Mystery Filter from Line 6)

**URL:** <https://unity.neuraldsp.com/t/korg-a3-mystery-filter-from-line-6/22767>\
**Category:** Feature Requests\
**Created:** [July 21, 2026, 2:45pm UTC](https://unity.neuraldsp.com/t/korg-a3-mystery-filter-from-line-6/22767 "2026-07-21T14:45:58Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Voxguy76](https://avatars.discourse-cdn.com/v4/letter/v/85f322/32.png) [@Voxguy76](https://unity.neuraldsp.com/u/Voxguy76)\
**Post date:** [July 21, 2026, 2:45pm UTC](https://unity.neuraldsp.com/t/korg-a3-mystery-filter-from-line-6/22767/1 "2026-07-21T14:45:58Z")

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Would love to get a model of the Line 6 Mystery Filter (based on the Korg A3) within the Quad Cortex. I’ve tried the current filters in the QC and just cant get the Mysterious Ways filter sound needed without using external pedals.