Long HDMI cable for projector that support 18 gbps
 

This has been my concern for quite awhile. That we have very high spec of UHD Premium, like 2160p/60 and high color sampling. We have 4K projector . But we don't have many choices to transmit such high bit rate data over long distance
Of 10 meters or more. Any conductor based will need to go active, but none has support such high bit rate. And it will cost a fortune such as WW Platinum Starlight or AQ Diamond.

But recently, I know two companies that make such a cable and make me more relieved.

http://www.stereosound.co.jp/news/ar.../15/44858.html

http://www.soundandvision.com/conten...8fvCQUxsrlV.97

Not cheap, but not terribly expensive as silver based cable.

Toga

JVC cable use Optical engine from this Taiwanese company.
http://www.centera-photonics.com/pages/page_index_en

Toga

I buy all my hdmi cables from Monoprice. They have excellent prices for high-performance HDMI cables and come with different lengths.

Sorry, but when you are running $25K/$100K+ projectors you don't use monoprice cables.

You may be right. I don't know what kind of projector Toga has. But there are quite a few projectors that meet those specs and cost much less than $25k.
Now, assuming that cost is no object then an interesting experiment could be to buy a high-end cable and spend an extra $100 to buy a Cheap cable (mono, blue jean, etc) and then compare. One can always return the cheap cable.

Been there, done it; the comp isn't even funny. It's actually sad how much digital accutance is lost.

Based on my experience. For a short run of 1 meter between source and processor, forget about generic HDMI. I have all models of Transparent Audio HDMI. They provide much better sound and picture than generic cables. But my favorite are Audioquest Diamond and now Wireworld Platinum Starlight. Both provide the best picture and sound. For longer one of 15 meter to ceiling mount projector, that is more complicate because that is too far for metal based Cable. I used DVIGEAR when I install my first 1080p projector, JVC HD1 in 2007. It worked very well, until I upgraded my projector to JVC RS56 which is 3D capable, this DVIGEAR cannot handle 3D signal at 15 meters length any more. A booster have helped. But later I found a Japanese company who made fiber optic HDMI cable that remain High Speed up to a 100 meters. At a very reasonable price. I bought it and never been happier. Picture is miles ahead of what DVIGEAR could offer. And at 15 meters long, cable like AQ or WW will be very expensive and may not maintain its High Speed rating anymore. So yes for longer length, fiber optic is the way to go. Here is what I use now, but the electronic part of it just cannot do 18gpbs required for new UHD Premium specification. http://www.aim-ele.co.jp/avd/product...catalog_ls.pdf Toga.

What projector do you own? I have a JVC 4910

Mine is JVC RS56 + Stewart Firehawk G4 153" 2.35:1
I wanted DNP Supernova low gain to to the grainless and unbeatable black, but it is 3-4 times more expensive and 0.85 gain may be too low for RS56 to handle.

Toga

The article below recommends "active" cables for longer length cables as opposed to standard "passive" cables. Beware that the writer of the article does not fall in the camp of using expensive cables.

http://gizmodo.com/the-best-cables-f...ear-1764802400

Yes, it has to be active for such length. But, it s the active part that is a problem. It has to support 18gbps. Even WW Platinum Starlight is active beyond some certain length, but still not support 18gbps required by UHD Premium spec, until they redesign the active circuit. Toga http://www.dpllabs.com/page/dpl-member-wireworld

http://www.dpllabs.com/page/dpl-full...-certification

I recently did a evaluation/comparison, for a video only feed, of a AudioQuest Carbon 10m passive cable rated at 600mhz/18gps and a Monoprice Carbenet 40' active cable also rated at 600mhz/18gps. The test was setup between a Samsung K8500 4k Blu-ray player in a direct feed to a Sony VPL-VW5000ES 4k laser projector. I also generated various test patterns, with a Quantum Data 780 generator directly to the Sony. The projected image was on a 155' diagonal 2.40 screen. I found no significant difference, in video display, between the two justifying a 12x cost difference. I would also note that I had difficulty with the AudioQuest/Sony connection in respect to the Sony properly activating the HDR metadata. With the Monoprice, I had none!

I have used Monoprice cables for years with no issue at all. I am presently using them on a JVC RS55 projector. HDMI either works or doesn't. If you see "sparklies" then it isn't transmitting properly.

I'm not very educated on the topic, but doesn't JVC not have a 4K projector? I thought they only did Feaux-K?
My local installer didn't want to put an HDMI in my home theater projector which I'm in process of designing. They want to put optical to HDMI converters with running optical. They said it will be much cheaper and much better performance.

I'm in the market for a 675 Sony which is a true 4K, but it doesn't even fully support 18 Gbps from what I'm reading in forums. It's more like 10-11.

I thought sparkles has nothing to do with a cable; it's a drawback of using an Ambient Light Rejection screen?

I have a 9m WW Silver Starlight 7 that works great with my 4k source material. Okay, cheap it's not. However, compared to using baluns, etc. it is way less complex and is "set and forget".
I was convinced that to get full UHD 4k at over 25', I would have to go with a powered system. I contacted Ivan, who has a ton of experience with this stuff. He steered me to this HDMI and it has worked great. Just sayin'......

The same can be said about Audio. See cables don't matter threads. ;)

We recently used the Kordz Neo S3 kit which works pretty well if you've already had a long run installed in your walls/system but the cable doesn't support 4K.

It comes as a full kit - or just as adaptors on either end which converts a passive HDMI to an active one.

Pretty neat I thought.

Granted this isn't what I'd propose for HDMI audio but if you were stuck with an older FullHD cable, it's well worth a look

JVC does have a native 4K projector, the DLA-RS4500 although it runs a cool $34000 retail :sigh:. The rest of their standard projector line is of the 4K eshift variety. Mixed feelings on the eshift as I have one.....some things may look a touch better with it engaged but I usually leave it turned off.

- Buck

Mouse Sony just announced the new 760ES with a new laser engine. Euro14k.

Has the full 18Gbps HDMI port too