# Filter behavior not consistent between 12 voice / binaural mode

**URL:** <https://forum.udo-audio.com/t/filter-behavior-not-consistent-between-12-voice-binaural-mode/3304>\
**Category:** Super 6\
**Created:** [2 April 2025 15:39 UTC](https://forum.udo-audio.com/t/filter-behavior-not-consistent-between-12-voice-binaural-mode/3304 "2025-04-02T15:39:04Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![trond.olsen](https://avatars.discourse-cdn.com/v4/letter/t/a9a28c/32.png) [@trond.olsen](https://forum.udo-audio.com/u/trond.olsen)\
**Post date:** [6 April 2025 20:07 UTC](https://forum.udo-audio.com/t/filter-behavior-not-consistent-between-12-voice-binaural-mode/3304/4 "2025-04-06T20:07:33Z")

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I would contact support with steps to reproduce the issue from init patch. Some of the modulation destinations is hardware restricted to 6 voices ref. [Possibly Bug, Envelope 1 not working properly with Mod Matrix when binaural mode off - #2 by udo-audio](https://forum.udo-audio.com/t/possibly-bug-envelope-1-not-working-properly-with-mod-matrix-when-binaural-mode-off/3001/2). Filter should be 12 voices unless the pedal affects it somehow.

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