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It’s so basic that it doesn’t even have an on-screen menu system. This is a no-frills, entry-level (or close to it) Dolby Digital/DTS model from 2003. With a little patience while monitoring For Sale ads on my local Craigslist, I managed to pick up a pair of used Marantz SR4400s for well below $100 each. (If using multiple secondary receivers, I recommend that they be identical to each other.) Any receiver that has, at a minimum, Dolby ProLogic II processing will do.

Although your primary A/V receiver must be a Dolby Atmos (or DTS:X) model capable of decoding 7.1.4 channels of sound from a Blu-ray or UHD immersive audio soundtrack, the secondary receivers don’t need to be nearly as fancy. With his permission, I’m just trying to explain it here.įor as perhaps ridiculously complicated as they may be to install, one of the saving graces of these experiments is that they can be assembled relatively inexpensively. Credit for that goes to Scott Simonian and others at AVSForum who helped him work it out. The silly Zatmos and Scatmos nicknames can be more formally grouped under the heading of “Dolby Atmos Extended.” I want to be clear here that I did not develop the Scatmos process. Eventually, I knew that if I was going to do this, I needed to do it right.

However, in recent months, my attitude changed and I grew less satisfied with the Zatmos configuration. I felt that the results I had with Zatmos were good enough to get me most of the way there, and I had a certain amount of egotistical pride that I’d figured out a way to do it with just one extra receiver rather than two. The complexity of installing, connecting and configuring three A/V receivers seemed like overkill to me. Over at AVSForum, a member named Scott Simonian had gone even further to use a total of three A/V receivers in unison to create a 7.1.6 configuration (affectionately known as “Scatmos”) more accurate to the intentions of the original Dolby Atmos sound mixers.įor a while, I decided not to go that far.

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The better solution is to install additional speakers in the center between the other height channels (Top Middle position). Those speakers are now fixed in place with wiring through the walls and ceiling, and I can’t move them without remodeling the room. This issue is compounded by the fact that the locations where I had installed speakers when I built the home theater (before immersive audio was a concern I gave any thought to) were less than ideal for Atmos. That, combined with a low ceiling, makes it difficult for just four speakers (two in the front of the room and two in the back) to image a sound above my head convincingly. My own home theater is a long room with a lot of space behind my seats. Nonetheless, for some of us, a limit of four height channels isn’t enough to fill the top of the room with sound.

Dual headphone jack