# Bug in compressor

**URL:** <https://forums.allen-heath.com/t/bug-in-compressor/31856>\
**Category:** Avantis Troubleshooting\
**Created:** [23 April 2026 10:29 UTC](https://forums.allen-heath.com/t/bug-in-compressor/31856 "2026-04-23T10:29:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![floriansteppke](https://avatars.discourse-cdn.com/v4/letter/f/b487fb/32.png) [@floriansteppke](https://forums.allen-heath.com/u/floriansteppke)\
**Post date:** [23 April 2026 10:29 UTC](https://forums.allen-heath.com/t/bug-in-compressor/31856/1 "2026-04-23T10:29:07Z")

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everytime i press the point where the knee sits in the rms compressor graph with soft knee engaged the threshold reduces 10db. this happens always on every avantis. it is a bug from the old firmware