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Beosound Core optical out

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wanc1
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wanc1 posted on Thu, Oct 29 2020 6:41 AM

Hi,

I just connected my BeoLab 50 with Beosound Core using optical out.

The speaker does start when I chromecast yet no sound is coming out.

What am I missing?

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Michael
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wanc1:

Hi,

I just connected my BeoLab 50 with Beosound Core using optical out.

The speaker does start when I chromecast yet no sound is coming out.

What am I missing?

Is the speaker set to optical input? Is the core correctly configured to output to optical, and the right resolution? B&O warns that using 96 khz output on low quality cables might not work or work badly. Try setting it to 48 Khz and see if that helps. If it does, buy a higher quality cable.

Beolab 50, Beolab 20, Beolab 8000 x 2, Beolab 4000 x 2, 
BeoSound Core, BeoSound 9000, BeoSound Century, 
BeoLit 15, BeoPlay A1, BeoPlay P2, BeoPlay H9i, BeoPlay H6, EarSet 3i, 
BeoVision Avant 55, BeoPlay V1-40, 
BeoCom 6000 and so much else :)  

wanc1
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wanc1 replied on Thu, Oct 29 2020 10:09 AM

I believe everything is set to work correctly. The cable is from AudioQuest, so I don't think the quality is the issue. I tried 48khz and nothing. I even performed factory reset on my core.

Jaffrey2230
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You could eliminate the possibility of a defective Core (assuming that optical input to the BL 50 works when connected to another source), by trying to connect the BL 50 using the Powerlink output. If that works, then there is something wrong in the signal being sent from the Core to BL 50.

My B&O Home: 

 

  • Beolab 8002 + Beolab 2 + Beosound Core with Essence Remote (Office)
  • Beolab 6000 + Beolab 11 + Beosound Core with Essence Remote (Bedroom)
  • Beoplay A9 Mk2 (Living Room)
  • Beosound 1 with wireless dock (Portable)
  • Beosound Balance (Dining)
  • Beoplay H95 (Focused listening, travel)
  • Beoplay H9 (3rd gen) (retired)
  • Beoplay P6 (Portable)
  • Beotime wall clock (hallway entrance)
  • Beoremote X (poor man's Halo Big Smile)

 

 

 

wanc1
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wanc1 replied on Thu, Oct 29 2020 12:22 PM

Ok, finally got it to work!
But I notice that the overall sound is much brighter than through power link 

Michael
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Michael replied on Thu, Oct 29 2020 12:52 PM
wanc1:

Ok, finally got it to work! But I notice that the overall sound is much brighter than through power link

In a bad way?

Beolab 50, Beolab 20, Beolab 8000 x 2, Beolab 4000 x 2, 
BeoSound Core, BeoSound 9000, BeoSound Century, 
BeoLit 15, BeoPlay A1, BeoPlay P2, BeoPlay H9i, BeoPlay H6, EarSet 3i, 
BeoVision Avant 55, BeoPlay V1-40, 
BeoCom 6000 and so much else :)  

Jaffrey2230
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FWIW, I have noticed this as well. This is with or without B&O products. My assumption is that the difference is in the DAC. With Powerlink you are using the Core’s DAC or the sources DAC, with optical you are using the BL50’s DAC.

My B&O Home: 

 

  • Beolab 8002 + Beolab 2 + Beosound Core with Essence Remote (Office)
  • Beolab 6000 + Beolab 11 + Beosound Core with Essence Remote (Bedroom)
  • Beoplay A9 Mk2 (Living Room)
  • Beosound 1 with wireless dock (Portable)
  • Beosound Balance (Dining)
  • Beoplay H95 (Focused listening, travel)
  • Beoplay H9 (3rd gen) (retired)
  • Beoplay P6 (Portable)
  • Beotime wall clock (hallway entrance)
  • Beoremote X (poor man's Halo Big Smile)

 

 

 

Michael
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Jaffrey2230:

FWIW, I have noticed this as well. This is with or without B&O products. My assumption is that the difference is in the DAC. With Powerlink you are using the Core’s DAC or the sources DAC, with optical you are using the BL50’s DAC.

My B&O Home:

Beolab 8002 + Beolab 2 + Beosound Core with Essence Remote (Office) Beolab 6000 + Beolab 11 + Beosound Core (Bedroom) Beoplay A9 Mk2 (Living Room) Beosound 1 with wireless dock (Portable) Beoplay M5 (Dining) Beoplay H95 (Focused listening, travel) Beoplay H9 (3rd gen) (retired) Beoplay P6 (Portable) Beotime wall clock (hallway entrance) Beoremote X (poor man's Halo )

I also have a core but haven’t used it with my Beolab 50s yet as it is hooked up to my previous beolab 20s that I am going to sell.

For that setup power link is used but my 50 uses power link for the tv so I was going to use optical as it seems also highly recommended. Is the sound “worse” or less interesting over optical then?

Another thing I find weird is that B&O hasn’t found a way to incorporate volume setting in the B&O app and casting solutions when Core is used over optical with Beolab 50/90. They suggest that the core is set to a fixed output but this makes it very much less user friendly to use. Wouldn’t it be possible to let the core forward volume commands to the speaker itself for its DAC to do volume regulation properly and still have the users ease and happiness in the first spot?

Beolab 50, Beolab 20, Beolab 8000 x 2, Beolab 4000 x 2, 
BeoSound Core, BeoSound 9000, BeoSound Century, 
BeoLit 15, BeoPlay A1, BeoPlay P2, BeoPlay H9i, BeoPlay H6, EarSet 3i, 
BeoVision Avant 55, BeoPlay V1-40, 
BeoCom 6000 and so much else :)  

Martin
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Martin replied on Thu, Oct 29 2020 6:28 PM

Hi, Have also noticed a brighter sound with my Auralic Aries G1 connected to my BL 50 (with digital coax cable) when comparing sound from Eclipse with powerlink-cable to BL50. 

Some music sounds better with the Digital IN from Auralic and some music sound better from Eclipse with powerlink to BL 50. I think it is a matter of taste. Some female vocals is to shrill from the Auralic but sounds really good from Eclipse to BL 50. But some classical music sounds better with the Auralic (digital IN to the BL 50).

Best regards

Martin

Beovision Eclipse 65 with floorstand (from STB Brackets), New! Beolab 50 front, Beolab 3 rear, 2 x Beoplay A6 linkrooms, 2xBeoremote one BT, Beosound 9000 Mark III (sw 3.4), Philips Hue (all lights in the home), Oppo UDP-203, Apple TV 4K. 

Michael
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Martin:

Hi, Have also noticed a brighter sound with my Auralic Aries G1 connected to my BL 50 (with digital coax cable) when comparing sound from Eclipse with powerlink-cable to BL50.

Some music sounds better with the Digital IN from Auralic and some music sound better from Eclipse with powerlink to BL 50. I think it is a matter of taste. Some female vocals is to shrill from the Auralic but sounds really good from Eclipse to BL 50. But some classical music sounds better with the Auralic (digital IN to the BL 50).

Best regards

Martin

Beovision Eclipse 65 with floorstand (from STB Brackets), New! Beolab 50 front, Beolab 3 rear, 2 x Beoplay A6 linkrooms, 2xBeoremote one BT, Beosound 9000 Mark III (sw 3.4), Philips Hue (all lights in the home), Oppo UDP-203, Apple TV 4K.

Sounds like the inputs is differently tuned or something right? Weird that they aren’t more natural

Beolab 50, Beolab 20, Beolab 8000 x 2, Beolab 4000 x 2, 
BeoSound Core, BeoSound 9000, BeoSound Century, 
BeoLit 15, BeoPlay A1, BeoPlay P2, BeoPlay H9i, BeoPlay H6, EarSet 3i, 
BeoVision Avant 55, BeoPlay V1-40, 
BeoCom 6000 and so much else :)  

seethroughyou
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Powerlink is analogue whereas coax or optical is digital. The powerlink level is probably set at a slightly lower volume/voltage then it will sound more mellow/calmer than digital. The lower level of the analogue through coax is captured by the ADAC before being going to the DAC and DSP in the BL50/90. No such volume information going down through SPDIF/optical.
lawrencejmcook
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seethroughyou:

Powerlink is analogue whereas coax or optical is digital. The powerlink level is probably set at a slightly lower volume/voltage then it will sound more mellow/calmer than digital. The lower level of the analogue through coax is captured by the ADAC before being going to the DAC and DSP in the BL50/90. No such volume information going down through SPDIF/optical.

BeoSound Core can output digital to a BeoLab 5 (via optical to electrical converter) and still control the BL5s’ volume via the Powerlink control signal wires (fully wired cable needed).

Has anyone tried to configure their BL50s to do the same?

If B&O don’t currently offer this possibility, I think it would be a useful feature, as Michael suggested.

Lawrence
Michael
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lawrencejmcook:

BeoSound Core can output digital to a BeoLab 5 (via optical to electrical converter) and still control the BL5s’ volume via the Powerlink control signal wires (fully wired cable needed).

Has anyone tried to configure their BL50s to do the same?

If B&O don’t currently offer this possibility, I think it would be a useful feature, as Michael suggested.

Lawrence

Is that so? That’s great. Unfortunately I already utilize the power link input for my TV. But both the core and speakers are online on the network and should be able to communicate that way (the only other way for me to adjust volume otherwise is that way manually via the app)

Thanks for your idea though. Can probably work for other people.

Beolab 50, Beolab 20, Beolab 8000 x 2, Beolab 4000 x 2, 
BeoSound Core, BeoSound 9000, BeoSound Century, 
BeoLit 15, BeoPlay A1, BeoPlay P2, BeoPlay H9i, BeoPlay H6, EarSet 3i, 
BeoVision Avant 55, BeoPlay V1-40, 
BeoCom 6000 and so much else :)  

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