Simple Home Theater System (Part 2 Final) Testing The Sound

It is been a while since I built this surround setup, I played almost all my HD movie collection on my hard disk again to get the surround sound experience. I jump to the final conclusion that this ancient surround pre-amp is very good. But how good it is?

Simple Home Theater System (Part 1) The Surround Pre-amp

The surround sound technology in home theater entertainment system has improve very fast. Compares to the stereo system, it is just like an ancient electronic setup to the surround. The latest surround system is now Dolby Atmos which will create the sound field from the speaker above the listener. The previous surround system are DTS and Dolby digital. But do the latest surround system is essential in home theater setup? How could I compare to the first Dolby surround system introduced in 80's? Do they still capable to deliver the enjoyment in the latest movies? I am now have a spare time to dig something on my storage room. Lets see what I can find to build my own simple surround system for cheap!