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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Fri Sep 30, 2011 6:06 pm Post subject: Difference between Ampro 4600 and Ampro 4600HD |
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Whats the main differences beteen these PJs, are there any significant things the 4600HD brings to the party?
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Fri Sep 30, 2011 6:13 pm Post subject: |
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THe HD is a later unit, and I believe that tse said something about the H timings being different. Operationally I don't think there's any difference.
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Fri Sep 30, 2011 10:20 pm Post subject: Cool |
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Thanks Curt.
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tse
Joined: 03 May 2006
Posts: 1014
Location: Sweatbucket, Fl.
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| Posted: Sat Oct 01, 2011 12:08 am Post subject: |
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The HD will allow selection of the short retrace (<2.8us) between 30 and 48kHz. The regular 4600 switches to short retrace > 48kHz only. This worked better for 1080i which was alot more common than 1080p way back then.
Scott
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Sat Oct 01, 2011 12:25 am Post subject: Right |
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Thanks Scott, I guess it would have been useful back then but not so much now then.
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sat Oct 01, 2011 12:37 am Post subject: |
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I know I had H shift issues at 1080p and 720p with the 4600. I thought at first it was just with the earlier models, but then I got in a late model Elite chassis that they put together after Ampro went under, and the H shift issues were there as well.
The latest Moome box with the H shift button worked perfectly though.
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Sat Oct 01, 2011 12:54 am Post subject: new htpc, 1920 1080p image is too wide for screen |
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Scott told me about this problem in this thread Curt:
http://www.curtpalme.com/forum/viewtopic.php?p=313633
I dont have the ability to do change the mosfets in the H board so the retrace time could be shorter, so I took the easy way and changed my Nvidia settings with Scott and Denis helping. This means however I am pushing my bandwidth even more, you any good at changing out mosfets Curt!? I think extra power would be needed to get it all going if I remember right I can hunt the email down.
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