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468 posts

Ultimate Geek


  # 2296627 13-Aug-2019 15:52
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I've got a 15 meter hdmi cable in my wall from a build 5 years ago and it does 4k just fine from my htpc.

As a sparky though I'd would STRONGLY suggest a suitable conduit for hdmi future proofing... It'll prob need to be 32 mm conduit though which will be tricky to install.

Maybe run extra cat6 or fiber for baluns?

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  # 2297638 13-Aug-2019 17:05
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fearandloathing:

 

geekiegeek:

 

https://www.amazon.com/gp/product/B07287LTRZ/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1

 

Thats what I am using

 

 

That is good to know that you were having success with that cable, I was looking at a 10m one but wasn't willing to commit, without buying one that I could easily return.

 

What do you have at each end of the cable and what 4K sources do you use out of interest?

 

With my current cable I found playing a 4k HD disk would play fine on my TV from an 'Xbox One X' but if I tried to game on the Xbox the signal would fail.

 

 

I have an Apple TV 4K via an Anthem AVR and have no issues getting Dolby Vision.

 

To the OP, I wouldn't worry to much about 8K support for some time yet. While there may be some TV's that support it I would guess that only the inbuilt apps will support 8K at first and even that will be some time off from now. It will likely take many years to get sources that support dishing out 8K content. Is there even a disk format for 8K? Personally I doubt you will see broad use of 8K content sources in the next decade. But that's just my personal opinion.





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  # 2297678 13-Aug-2019 19:53
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Games consoles will most likely lead the charge in the 8K stakes... apps, not so much.




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Master Geek


  # 2297686 13-Aug-2019 20:20
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Hey guys, 

 

So far this is the best i've found - HDMI 2.1 48gbps, 8k @60 hz. Its crazy pricey but since I cant run conduit putting this in will be cheaper than ripping out the jib later

 

https://www.feedbackaudio.co.nz/product/ruipro-hdmi-fibre-optic-cable-8k/


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  # 2297696 13-Aug-2019 21:00
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floydie: Maybe run extra cat6 or fiber for baluns?

I'd do this while it's open. Do yourself two drops of cat6 encase you take up a balun setup. Would be handy to use as a draw wire worst case down the track.




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  # 2297810 14-Aug-2019 08:52
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The problem is you have no way to test that it actually transmits 8K and as another poster said, the standards haven't yet been finalised. That means this could be an expensive way to still only have 4K.





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Master Geek


  # 2297812 14-Aug-2019 08:57
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Your 100% right, but cause of the weird path the electrician said conduit wont work, so ill just have to pick the best I can and hope for the best. 

 

 

 

I've run 4x Cat6 data cables and 4x Cat6 for other things like IR or HDMI extenders,

 

I'm as far as I'm aware we wont be running 8K over Cat6 though, 1 cat6 will only do 10 Gbps so even 4 of them will be below the 48Gbps required

 

 

 

Still weighing up my options, this is another one but its hard to know the quality.

 

https://www.aliexpress.com/item/1000008189907.htm


 
 
 
 


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  # 2299118 14-Aug-2019 12:08
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why a weird path? can you not do a drop from ceiling or under floor then run to the other end and do the same. This is how I've run mine so pulling a new one is fairly straight forward.





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Master Geek


  # 2299122 14-Aug-2019 12:14
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geekiegeek:

 

The problem is you have no way to test that it actually transmits 8K and as another poster said, the standards haven't yet been finalised. That means this could be an expensive way to still only have 4K.

 

 

I'm not quite sure in what way the standards haven't been finalised.

 

The HDMI 2.1 spec was fixed at the end of 2017 so it should certainly be possible to buy a 2.1 rated cable (and 48Gbps is the magic number as far as I can tell).

 

Whether your source and sink support some or all of the HDMI 2.1 features, including 8K, is a separate issue.

 

Totally agree with the point that how do you know that any cable can meet its marketing claim over 15m, though.  


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  # 2299125 14-Aug-2019 12:18
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geekiegeek:

 

I have 4K60 Dolby Vision at 15 mtrs. You just need to get an Active fibre Optic HDMI cable, standard copper won't do it. Active Fibre Optic are also directional so make sure you put it in in the right direction. This is the one I have https://www.amazon.com/gp/product/B07287LTRZ/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1

 

 

 

 

That is the exact cable I purchased.... it works really well even for the most demanding 4k60p signals, but on the odd occasion (once every 2 weeks?) I get some kind of issue between the projector/av receiver / apple tv and the signal gets messed up     ... I don't think it is a cable problem, rather something to do with HDCP sync. And switching the av receiver off/on fixes it right away.  

 

 

 

 


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