3.1.2 Atmos Receiver recommendation

Discussion in 'AV Receivers & Amplifiers' started by Benk123, Jul 21, 2018.

  1. Benk123

    Benk123
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    Hi all,
    I'm new here and need a little bit of help. I want to set up a 3.1.2 Atmos system. Will the Denon AVR X4400H suit this set up? I don't have an option foe 5.1.2 or larger. So the av receiver must work. I would be most grateful for any help you can give me.
    Ben
     
  2. Rambles

    Rambles
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    Yes a 4400 would be fine, but a 3400 would do the job just as well but for less money.
     
  3. Benk123

    Benk123
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    Thanks for speedy reply. I will be sure to update you when I have my system up and running
     
  4. Khazul

    Khazul
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    If you really want to do 3.1.2 do make sure that the AVR doesn't disable atmos with anything less than 5.1.2 connected.
     
  5. Benk123

    Benk123
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    How do I find out this information? I have been searching the Internet for a few days now. This is the reason for asking you guys. If you can recommend some receivers that would be great. So far Denon seems a safe place to start.
     
  6. Rambles

    Rambles
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    You could email Denon tech support and ask them what formats would be available in a 3.1.2 set-up. I found them to be helpful when I emailed them with a few pre-purchase queries before I bought my 4400.
     
  7. dante01

    dante01
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    The minimal requirement for Atmos is a 5.1.2 speaker configuration. You need at least a 5.1 base layer plus at least 2 additional height, upward firing or ceiling speakers.
     
  8. Rambles

    Rambles
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    I did try my system briefly without a centre speaker and Atmos worked okay, so at the time, that would have been as a 4.1.2 set-up with a Denon 4400.

    I haven't tried it in the configuration that the OP is suggesting though.

    However, even if Atmos is not natively supported with a 3.1.2 speaker set-up, the AVR should be able to upmix / re-map the audio to use all of the connected speakers.
     
  9. dante01

    dante01
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    It will work sans the centre speaker, but you will still require at least 2 surrounds, the main front left and right speakers as well as 2 height, upward firing or ceiling speakers. The sub is also optional.
     
  10. Rambles

    Rambles
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    Yes, it's not for me, but the OP. I have a 5.2.4 set-up. I was just correcting your statement saying that Atmos required a minimum of a 5.1.2 speaker configuration.
     
    Last edited: Jul 21, 2018
  11. Benk123

    Benk123
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    Thanks for the info from everyone. According to Dolby 3.1.2 atmos is a "thing" . I just don't want to purchase an avr that is not compatible.
     
  12. Sloppy Bob

    Sloppy Bob
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    Are you going to have ceiling mounted Atmos speakers or have front mounted Atmos.

    If the former then I'd forget about Atmos and place the ceiling mounts further back to give you a 5.1 system.
     
  13. Benk123

    Benk123
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    My set up is this:
    Right and left towers with built in Atmos speakers, center speaker and a sub. I hopw that is clear.
     
  14. dante01

    dante01
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    As already stated, you need to add 2 surrounds to your setup or the receiver will not even acknowledge the presence of Atmos metadata. The minimum requirement is 5.1.2 (disregarding the previously discuss scenario whereby the centre speaker is omitted).

    There is however a less effective form of processing that Dolby are marketing that they claim can create viirtual speakers within an Atmos setup.

    Dolby Atmos 3.1.2ch with Surround Enhancer (EN)


    This is something you're more likely to find incorporated into soundbars than find included with AV receivers. Regardless of what Dolby claim, the soundstage is going to be biased towards the front of the room.

    If truly adamant that you only want a 3.1.2 Atmos setup then you need an AV receiver or device that supports Dolby Surround Enhancer. I'd still however suggest that you try include at least 2 rear surrounds into your setup and buy a 7.1 Atmos enabled AV receiver in order to get more from Atmos than you will via a 3.1.2 setup using Surround Enhancer processing. AS far as I can tell, only Pioneer and Onkyo appear to be adopting this? But then again, Pioneer and Onkyo are effectively the same concern as far as AV receivers go and Pioneer receivers are effectively made by Onkyo these days.
     
    Last edited: Jul 22, 2018
  15. Benk123

    Benk123
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    Having researched more today, I too realise that a 5.1.2 set up would be best. I just cannot work out how to place the rear speakers. I have a shelf against the back of the sofa but I think it may be too close to the seating position. Placing speakers on stands would encroach on the dinning area since our living space is open plan. Ceiling mounted speakers are an option but not "in-ceiling" because the ceiling is made of concrete. I need to rethink this.
     
  16. dante01

    dante01
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    I'd not suggest mounting surrounds on a ceiling. If the sofa is up close to the rear wall then maybe look at using bipole speakers (not dipole) on the rear wall to try spread their output across it. This would be a better compromise than mounting the surrounds on your ceiling.
     
  17. Benk123

    Benk123
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    If surround speakers were placed on a shelf directly behind the sofa, to the left and right sides, woyld that be too close?
     
  18. dante01

    dante01
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    I'd suggest that they would be too close to be effective and that their output would be too localised.
     
  19. Benk123

    Benk123
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    I think that I may have to give up on the idea of 5.1 surround let alone Atmos. It loojs like 3.1 and rely on the amp to simulate surround. I think the Klipsch 280fa with top firing speakers could be an effective option? I just don't want to to give up and just get a soundbar... Although there are so half decent ones available.
     
  20. Sloppy Bob

    Sloppy Bob
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    Draw up a quick plan of your room with the main listening position and any other large items.

    It doesn't have to be fancy.
     
  21. Benk123

    Benk123
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    Here is a picture. Its basically a corner of an open plan living /dining room. Imagine a sofa is right in front of the tv. The area behind is the dining area. Speakers on stands are out ot the question.
     

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  22. Rambles

    Rambles
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    You can have a 3.1.2 speaker set-up if you want to, and pretty much any AVR will re-map the audio to make use of all of those speakers.

    That configuration is specifically mentioned in this review:

    Denon AVR-X3400H A/V Receiver Review Page 2

    I would say, start off with that, and if you can find a way to get two rear speakers in at a later date for a 5.1.2 set-up, then that would be a bonus. You could temporarily rig that up as a test, so you know what you are missing, and whether you think it is worth the hassle to add them permanently.
     
    Last edited: Jul 22, 2018
  23. Benk123

    Benk123
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    Thanks, I appreciate the help. I will check the link you posted and go from there. Have a good day.
     

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