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A/V preamps & HDTV/Pro-scanMr Peabody
Oct 25, 2002 7:03 PM
I am seeing some hot deals on A/V preamps. Some because of people wanting to upgrade to 6 or 7.1, also many of them do not have progressive scan compatibility. My question is, when I eventually go to HDTV will my A/V preamp have to be progressive scan or HD? If so, that would account for all the good buys, that really wouldn't be that good, because they are soon to be obsolete.
re: A/V preamps & HDTV/Pro-scanwoodman
Oct 25, 2002 10:05 PM
Mr.Peabody:
You sir are laboring behind a misunderstanding that got generated Godknowswhere. This hobby is rampant with misinformation that gets posted on the internet (more than anywhere else) and then gets repeated, slightly changed, and repeated, ad infinitum ... causing massive confusion to say the least.

An A/V preamp or pre-pro (or an A/V receiver for that matter) have nothing whatever to do with progressive scan video from a DVD player or for HDTV signals from wherever they might come. The only possible involvement for these signals would be for video switching, in which case they need to have multiple "component video" inputs and a comp.vid. output to send the signals on to the TV set for display. They also have to have sufficient video bandwidth (at least 20mHz) through those switching circuits to handle HDTV signals. That's it. Period.

Of course, when you go to a HDTV set, if it has sufficient video input connections, the need to switch video through the pre-pro or receiver could become a moot point.

Hope this clears your mind - if not, feel free to ask further questions

woodman
re: A/V preamps & HDTV/Pro-scanMr Peabody
Oct 26, 2002 11:33 AM
Thanks. My set up is old. I'm using the on board 5.1 decoder of a Denon 1600 & going to an Arcam Pro Logic preamp that has been upgraded to accept the decoded analog signal. I don't plan to get HDTV for awhile, but I would like to try Pro Logic 2 & see what an improvement satelite would be if it was decoded by a good preamp instead of the cheap receivers they offer. But if I go the expense, I want it to work with future technology, if that's possible. I do like the ability of video switching from the preamp. Now I know what to look for.
Take care, Mr. p
I'm backMr Peabody
Oct 26, 2002 12:05 PM
What about S-video ins & outs, do they carry HDTV?
No, they don't ...woodman
Oct 26, 2002 1:51 PM
... at least not at full resolution. The 100% tried and true HDTV signals are all sent from one device to another via the three cables called "component video". If there is an S-video output on an HDTV set-top box, it will send the images at a reduced resolution. Possibly in the future there might be an additional route by some other type of "secure" interconnect such as DVI. Just hope and pray that such a scenario never comes to pass, for it would signal that our government has been bought and paid for (once again) by big money from "Hollywood".

I'm curious about your present setup. Did I understand you correctly when you said (I think) that you're decoding 5.1 surround sound (Dolby Digital?) through a Denon receiver, then sending the signals from there through another preamp? Why would you do that? Inquiring minds and all that.

woodman
I should have been more clearMr Peabody
Oct 27, 2002 1:51 PM
The Denon 1600 is a DVD player. I was surprised to find a DVD player with this performance with a built in decoder, & even decodes DTS. I found a great deal on a Primare A/V preamp, but everything you told me + not having Pro Logic 2, it is ruled out. Have you heard the difference between satelite receivers & the signal being decoded via A/V receiver or preamp?
 


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