High Def Forum
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Split HD signal ??

05-18-2005, 08:23 AM
Is there anyway to split HD out of a 811 receiver to multiple sets ??

05-18-2005, 08:50 AM
Nevermind....found what I was looking for. 2 DVI in and 8 DVI out. This will be a setup for a retail store...owner wants to show HD on 6 sets at once. Little pricey though $1300 for distribution amp. Glad I'm not the one paying for it. If anyone knows of a better cheaper way please feel free to chime in.

05-18-2005, 10:09 AM
Most retailers use component video with RG6 cables. Key Digital distribution amps. See: http://www.keydigital.com/itemdesc.asp?CartId={0BB6BDEE-B3A2-467FEVEREST-9D4B-FCED3443D94F}&ic=KDCDA12

That is a 12 channel distribution amp that you should be able to get for $1k or less.

If you go with the DVI bear in mind the distance limitations of the cable, the increased cost of the DVI cables, and the requirements of a DVI connection on all TVs. That is why most retailers go with the component video.

05-18-2005, 10:59 AM
Thats why you are a Super Moderator...Thanks waiting for a call back on price.I'll let ya know.

05-18-2005, 06:03 PM
but who actually knows the maximum distance the HD signal can be carried on component cables??? and can they be successfully amplified at greatere distances??

(I'm thinking of rg6 with rca adapters for a run to the bedroom for a new 30 inch LCD flat screen)


05-18-2005, 06:38 PM
I would suppose mathematically you could begin with the signal levels at the source.Knowing the loss of cable and any insertion loss,attenuation in the cable and any loss in a passive or active device( gain).I'm sure it could be put to paper. Knowing that digital runs approx. -10dbMv from analog and assuming analog turns to snow in the -8 to -12 dbMv range.You could actually say that as long as you keep the digital feed within the parameters of -18 to -22 or above you should be able to make this work. Of course this is just speculative and you would have to know your source levels.And have the proper device to measure them. :D

05-18-2005, 09:18 PM
The component distribution amps have a gain adjustment to compensate for long lines. RG6 cables will allow further distances than component cables. RG11 will even go farther. I have run 150 feet with RG6 unamplified.

05-19-2005, 12:31 PM
There are devices for long VGA runs that convert to optical & back... would probably work fine with Y/Pr/Pb...

05-22-2005, 10:30 PM
Hey, saw this friday while reading through a retailer magazine:

a 9870 at AudioAuthority.com will be available 6-1, price unknown

It's a component cable distribution using two cat5 cables vs. running 3 long rg6's plus audio.