# QA403 Input Attenuator interaction with phono stage

**URL:** https://forum.quantasylum.com/t/qa403-input-attenuator-interaction-with-phono-stage/1300
**Category:** QA40x
**Created:** [March 16, 2024, 12:18am UTC](https://forum.quantasylum.com/t/qa403-input-attenuator-interaction-with-phono-stage/1300 "2024-03-16T00:18:41Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![restorer-john](https://avatars.discourse-cdn.com/v4/letter/r/b5a626/32.png) [@restorer-john](https://forum.quantasylum.com/u/restorer-john)
#### Post date: [March 17, 2024, 1:25am UTC](https://forum.quantasylum.com/t/qa403-input-attenuator-interaction-with-phono-stage/1300/7 "2024-03-17T01:25:23Z")

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Have a look here: [QA403 generator noise. IDLE vs RUN](https://forum.quantasylum.com/t/qa403-generator-noise-idle-vs-run/1304)

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