Contributor I

Question

Arc Ultra + Era 100 Surrounds

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Arc Ultra and Era 100’s

Anyone else have this setup and noticing that the Era 100’s as rears are doing less work with the Arc Ultra when compared to the standard Arc? I’m barely noticing any audio coming from the rears even with the surround volume turned up to maximum. I swapped my original Arc back with the Era 100 surrounds and tested the same Atmos movies on the Arc and the Arc Ultra, and there is a significant difference/reduction in the signals being sent to the Era 100’s in the rear channels with the Arc Ultra. Increasing the “TV Level” setting for Surround Audio in the Sonos app increases the front surround volume coming from the Arc Ultra but the signals coming out of the ERA 100 rears are almost non existent.

Is this behavior the result of how the Arc Ultra processes surround channels, and should be considered normal operation?

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beardontwalk123

Avid Contributor I

I just upgraded from the Beam 2 to the Arc Ultra and there is definitely a difference between the Era 100s and the Arc Ultra over them with the Beam 2. I do know they are present and more so with certain content than others.

Right now I’m taking the trust the process approach and just sticking to TruePlay and keeping it as is. I wonder if some of the sounds that are supposed to go to the rears are going up front instead. Maybe how they are dispersed needs tuning? I don’t want to raise the rear volume as I know they are receiving and I like the volume that they are at.

I do like that stereo content isn’t as prominent in the rear speakers now which is a plus. Just want to make sure I am getting a great Atmos (I know the 300s are the best you can get) and 5.1 mix when available with the 100s.

I just hope that Sonos tests the Arc Ultra’s with the 100s as they do with the 300s (which is recommended by most).

If anyone from Sonos can comment of the process of sound dispersion with the 100s that would be awesome.

AjTrek1

You said you are sticking with TruePlay. Does that mean you didn’t re-TruePlay your room when you installed the Arc Ultra? If not you need to TruePlay your room again.

Also, are you indicating that the Sound of the Rears is less (degraded) than it was with the Beam2?

One more point. When you installed the Arc Ultra the rears auto switched to Ambient for music which is why you are not getting full on stereo with music. However, if that’s the sound you prefer, then all good.

Together Everyone Achieves More = T.E.A.M.

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beardontwalk123

Avid Contributor I

You said you are sticking with TruePlay. Does that mean you didn’t re-TruePlay your room when you installed the Arc Ultra? If not you need to TruePlay your room again.

Also, are you indicating that the Sound of the Rears is less (degraded) than it was with the Beam2?

One more point. When you installed the Arc Ultra the rears auto switched to Ambient for music which is why you are not getting full on stereo with music. However, if that’s the sound you prefer, then all good.

I did re-do TruePlay after getting the new Arc Ultra. I also had Ambient for music with the Beam as well.

I wouldn’t say sound is degraded, I just don’t notice the rears being as active as they were before. I do know they are active though. Could totally be because the Arc Ultra has more presence than the Beam did in the front which is why the rears don’t stand out as much. Was just curious if the rears did behave differently with the Arc vs the Beam.

AjTrek1

You said you are sticking with TruePlay. Does that mean you didn’t re-TruePlay your room when you installed the Arc Ultra? If not you need to TruePlay your room again.

Also, are you indicating that the Sound of the Rears is less (degraded) than it was with the Beam2?

One more point. When you installed the Arc Ultra the rears auto switched to Ambient for music which is why you are not getting full on stereo with music. However, if that’s the sound you prefer, then all good.

I did re-do TruePlay after getting the new Arc Ultra. I also had Ambient for music with the Beam as well.

I wouldn’t say sound is degraded, I just don’t notice the rears being as active as they were before. I do know they are active though. Could totally be because the Arc Ultra has more presence than the Beam did in the front which is why the rears don’t stand out as much. Was just curious if the rears did behave differently with the Arc vs the Beam.

Not being a member of the design team for the Era 100’s my uneducated guess would be that the Era 100’s do behave differently with the Arc Ultra vs the Beam 2. Your supposition is most likely a valid reason among others.

Together Everyone Achieves More = T.E.A.M.

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Al009

Avid Contributor I

I’m also having this issue. Just upgraded from the Arc to the Arc Ultra. Have a Sub Gen 3 and 2 rear ERA 100s. I’ve tried multiple movies and Dolby Demos. I barely am getting anything from the rears and I currently set the Surround TV level to 10.

On the test videos, when it gets to rear right and rear left I hear the sound from the Arc Ultra much louder than the Eras behind me.

I have not run TruePlay as I’ve been told its bugged on the Ultra right now.

Hey, is this still an issue these days or is it better?

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ocramb

Lyricist III

I have the same problem with the Arc Ultra + Sub Mini + 2 One's

yes very disappointing top notch money limited sound. I would have choose other wise if I knew the problem

What a b*****

Moderator Note: Modified in accordance with the Community Code of Conduct.

AjTrek1

I have the same problem with the Arc Ultra + Sub Mini + 2 One's

yes very disappointing top notch money limited sound. I would have choose other wise if I knew the problem

What a b*****

Moderator Note: Modified in accordance with the Community Code of Conduct.

Before you go off the deep end 😂 how about describing your issue. We may be able to assist.

Together Everyone Achieves More = T.E.A.M.

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ocramb

Lyricist III

We issue is like everyone else’s on this thread when you choose to go surround with Era 100 and ultra you loose control of the era speakers and the sound from them is very faint.

Airgetlam

I’m truly sorry you’re experiencing this issue. What did Sonos Support say, when you called in with your system diagnostic?

Bruce

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voctrox

Lyricist I

Hey there. I had the same issue. I upgraded my Beam 2 to the Ultra, but the sound from the Era 100 practically dropped to zero. I'm thinking of returning the Ultra and going back to the Beam 2.

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Arc Ultra and Era 100’s

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