Interconnect Impedance

Posted by Nigel Pond [SysOp] [IP: 206.241.18.4] on July 19, 1999 at 09:27:39
Using Mozilla/4.0 (compatible; MSIE 5.0; MSN 2.5; Windows 95; DigExt):

In Reply to: Interconnect Impedance posted by Leo C on July 18, 1999 at 20:33:59:

Leo

The technical specs for coax digital audio and composite and component video specify a shielded 75ohm impedance cable. The reason for this is to ensure that everyone is working to the same specification and ensure best possible signal transmission.

Having said that, I suggest that you buy yourself 4 Radio Shack 75ohm video cables, the ones with the gold plated RCA plugs - they meet the specs for both. Use one for digital audio and the other three for your component video connections and you'll be set. I do not think it's worth paying anywhere near the $100 for Monster type digital/video internconnects.

The problem with using regular audio internconnects is that there is no standard specification for them, so their impedance and other electrical characteristics can vary wildly, so I would advise against using them for digital audio/video. Not that you will do your gear any harm using them, but after all the spec is there for a reason so why not stick to it?

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