# Two out of three

**URL:** <https://forum.apos.audio/t/two-out-of-three/2557>\
**Category:** General\
**Created:** [April 17, 2026, 10:37pm UTC](https://forum.apos.audio/t/two-out-of-three/2557 "2026-04-17T22:37:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![PvdM](https://yyz2.discourse-cdn.com/flex010/user_avatar/forum.apos.audio/pvdm/32/189_2.png) [@PvdM](https://forum.apos.audio/u/PvdM)\
**Post date:** [April 17, 2026, 10:37pm UTC](https://forum.apos.audio/t/two-out-of-three/2557/1 "2026-04-17T22:37:13Z")

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For my druid I would like to change the two opamps for the balanced signal only. Which two out of the three should I swap?

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**Author:** ![kunal](https://yyz2.discourse-cdn.com/flex010/user_avatar/forum.apos.audio/kunal/32/26_2.png) [@kunal](https://forum.apos.audio/u/kunal)\
**Post date:** [April 19, 2026, 5:35pm UTC](https://forum.apos.audio/t/two-out-of-three/2557/2 "2026-04-19T17:35:58Z")

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These two marked in blue.

 ![apos-audio-apos-dac-digital-to-analog-converter-apos-x-community-druid-r2r-dac-1201740330 copy](https://canada1.discourse-cdn.com/flex010/uploads/apos/original/1X/44ef387855b0942ed88c7ed49a377a9e5fca5313.jpeg)

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**Author:** ![PvdM](https://yyz2.discourse-cdn.com/flex010/user_avatar/forum.apos.audio/pvdm/32/189_2.png) [@PvdM](https://forum.apos.audio/u/PvdM)\
**Post date:** [April 19, 2026, 7:06pm UTC](https://forum.apos.audio/t/two-out-of-three/2557/3 "2026-04-19T19:06:23Z")

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Thanks..

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