When researching on the world wide web, you will notice that speakers don't only mean good sound quality, but also, you may find some confusing content when
For 5.1.2, Dolby recommends placing the surround speakers behind the listening position. Why? Wouldn't it be better to have them next to the listening position as recommended in a 7.1 setup?
7.1 VS 5.1.2: IS ATMOS THRIVING OR DIVING?
How to Set up and Calibrate Surround Sound Speaker Systems (5.1, 6.1, 7.1) - TurboFuture
Benefits of a 5.2 / 7.2 Home Theater System - Official Fluance® Blog
Monaco Surround Sound Systems
5.1 vs 7.1, Dolby Atmos & More! – Aperion Audio
Home Theater Speaker Layout Options
Surround sound - Wikipedia
How To Stream Surround Sound Music: Dolby Atmos, TIDAL, Music
Height speaker options for 5.1.2 with couch against the wall : r/hometheater