Official JVC RS520/RS620 (X7500/X9500) Owner's Thread - Page 168 - AVS Forum | Home Theater Discussions And Reviews
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post #5011 of 5020 Old 06-12-2019, 09:37 AM
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I think the X770 is as sharp or perhaps a tad bit sharper than the RS45 with a darbee on eshift. I honestly haven't taken it off eshift for movies. Directv was as good as I remember on the RS45 using 1080i. Colors were more vibrant and contrast better on the X770 though. I don't have time to calibrate as my kids run me ragged, so I can't verify as to how accurate they are.

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post #5012 of 5020 Old 06-12-2019, 10:55 AM
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Originally Posted by marchewd View Post
I think the X770 is as sharp or perhaps a tad bit sharper than the RS45 with a darbee on eshift. I honestly haven't taken it off eshift for movies. Directv was as good as I remember on the RS45 using 1080i. Colors were more vibrant and contrast better on the X770 though. I don't have time to calibrate as my kids run me ragged, so I can't verify as to how accurate they are.

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Still using my RS-45, for now...

I compared an RS-46 to an RS-67 at a dealer before, I was surprised how well the RS-46 held up against it other than black levels. Of course the RS-67 absolutely killed it in the one Harry Potter scene I tested, but that was mainly because the RS-46 didn't have a DI. The RS-67 barely beat an RS-56 I later tested it against, the improvement was almost invisible.

The RS-5xx/6xx are just so much brighter, and the contrast is so much higher with the aperture open, it's like 4x to 5x the contrast to RS-45 when brightness matched even WITHOUT the DI.

That's why I'm having a real pause even considering the NX-5, I'd prefer the RS-540/RS-640 most likely to be honest, if I can even find one.

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post #5013 of 5020 Old 06-12-2019, 11:36 AM
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I was amazed going from the entry level 45 to the middle 770, as far as contrast. I honestly never imagined it would be that big of a jump in quality. But it was. I don't think I could go back to the entry level model again. I'll keep the 770 for a couple of years and get an nx7 when the prices come down dramatically and I can help fund it with the 770 sale. Can only get within a couple of years of the new line. Lol

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post #5014 of 5020 Old 06-12-2019, 11:39 AM
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You guys are killing me. I've been refreshing my mailbox every 10 min waiting for a tracking number. I'm dying to get this up and running.

EDIT: and we have tracking!!! Should have it by the weekend.
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Last edited by Thrillho; 06-12-2019 at 11:50 AM.
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post #5015 of 5020 Old 06-12-2019, 04:27 PM
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Well, I pulled the trigger on the x770R. Now to digest as much of this thread as possible. Looks like I plan to use MadVR to strip the HDR metadata. Most of the info I’ve read about custom gamma curves seems to center around the X00 models, do the X20 models still need curves loaded?
If you have MadVR definitely ignore curves, use MadVR's tone mapping, its the best in the world.

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post #5016 of 5020 Old 06-13-2019, 06:03 AM
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I just got a advance memo that some x790s are coming available. Not a slew...but at least a few.


Hopefully some Members will tag some. Just shop carefully...some Dealers are / have been pricing them to be comparable to the NX5 / RS1000 because their performance is clearly a match for...if not superior in many respects.

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post #5017 of 5020 Old 06-15-2019, 06:27 AM
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So my X770R showed up yesterday and all I can say is “wow”. I loved my RS35 but this makes it look it’s age. I’ve barely begun tweaking it but with MadVR tone mapping, the picture I’m getting exceeds my expectations. The black level, brightness, and sharpness are all greatly improved.
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post #5018 of 5020 Old 06-15-2019, 06:31 AM
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That's awesome man. Which guide did you follow for the madvr setup? I need to do that, just haven't had any time.

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post #5019 of 5020 Old 06-15-2019, 07:49 AM
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That's awesome man. Which guide did you follow for the madvr setup? I need to do that, just haven't had any time.

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I’ve been using MadVR for years for scaling so the Tone Mapping is really the only new part of it to learn for me. I’ve been going through the MadVR thread here in the high-end projector forum.
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post #5020 of 5020 Old 06-15-2019, 10:30 AM
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After reading the nightmares of the NXx thread, I'm damn happy to have my rs620 still up and running beautifully.

Can not imagine spending that kind of money and having those kinds of issues?

Fortifies my policy of waiting until the second or third model of a new generation.
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Video: JVC RS620/X9500 projector, Stewart ST130 screen, Panasonic ub820 UHD player
Audio: Anthem AVM60 preamp, Anthem MCA525 amp, B&K Reference 125.7 amp
Subs: dual SVS PC-12 cylinders
Speakers: Jamo 626k4 in-wall mains, Jamo 631k4 bi/dipole surrounds, DefTech DI6.5R heights

Last edited by Erod; 06-15-2019 at 01:03 PM.
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