TCL Launches P-Series & C-Series 4K Roku TVs with HDR Dolby Vision Launch - Page 8 - AVS Forum | Home Theater Discussions And Reviews
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post #211 of 1431 Old 05-26-2017, 03:35 PM - Thread Starter
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Originally Posted by bjaurelio View Post
Do you have any native contrast readings on the panel? I think this is the key to whether or not the TCL P series will disrupt the previously disruptive Vizio P series.
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post #212 of 1431 Old 05-26-2017, 03:35 PM
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For those of us out of the loop on technical side of things, Given the post-calibration specs/performance just how good of performer is this TV? For example what series/model would be comparable for LG and Samsung? I realize it's not a 1:1 comparison, just looking for nearest match.

Thanks!
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post #213 of 1431 Old 05-26-2017, 03:39 PM
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Originally Posted by bjaurelio View Post
Do you have any native contrast readings on the panel? I think this is the key to whether or not the TCL P series will disrupt the previously disruptive Vizio P series.
Would also love to see that number, as well as one with local dimming enabled

My guess (or hope?) is ~5000 native, 7000 with local dimming.
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post #214 of 1431 Old 05-26-2017, 03:42 PM
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I am watching this with interest. The gap between the premium Sony/Samsung sets and low priced oem's keeps narrowing. I wasn't even aware of TCL till now.

This is just like smartphones - the phones from Huawie, Xiaomi, OnePlus are 90% as good, and in some cases better, than the premium options from Samsung/Apple which cost so much more. Its all about profit margins, the actual price of electronics is not nearly as high as we are used to paying in the US.

Sales are all from marketing anyway, and its too bad unless you spend billions on ads, its a race to the bottom with shrinking profits because most people have no clue.
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post #215 of 1431 Old 05-26-2017, 03:42 PM - Thread Starter
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Originally Posted by Fascinate View Post
Would also love to see that number, as well as one with local dimming enabled

My guess (or hope?) is ~5000 native, 7000 with local dimming.
OK, OK, I'm headed back into the bunker...
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post #216 of 1431 Old 05-26-2017, 03:43 PM
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OK, OK, I'm headed back into the bunker...
Haha
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post #217 of 1431 Old 05-26-2017, 03:45 PM
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I just want to apologize to everyone for my serial comment liking. It's something I've acknowledged about myself and I don't really plan on stopping anytime soon, so.... I'm even worse on Facebook
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post #218 of 1431 Old 05-26-2017, 03:46 PM
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I would just LOVE this in a 40" size!!!
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post #219 of 1431 Old 05-26-2017, 03:47 PM
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I was down on this tv.

I was expecting it so deliver 3-400 nits because TCL kept the specs a bit of a secret... Peak brightness in the 600 range at any windows size, indefinitely was a Wow wow moment to read. The Sony X900E can on do 800 nits in a 2% window and It just goes down from there.. This TV just take the knees right out of the much more expensive sony Tv. TCL P series the peoples champ?
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post #220 of 1431 Old 05-26-2017, 04:03 PM - Thread Starter
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Quote:
Originally Posted by Fascinate View Post
Would also love to see that number, as well as one with local dimming enabled
My guess (or hope?) is ~5000 native, 7000 with local dimming.
Take a very deep breath... I sure had to. But, the numbers support what my eyes are seeing and my meter is not lying. So, without further ado...

SDR 3X3 ANSI (measuring a single square) 7800:1 no local dimming, 13,100:1 with local dimming high

SDR 4X4 ANSI (measuring a single square) 7900:1 no local dimming, 10,850:1 with local dimming high

According to the menu, local dimming is turned off. Getting effectively the same result from the 3X3 and then 4X4 grid. The meter is centered to the screen for 3X3, offset up and to the right to fit in the center of the square for the 4X4 pattern, which accounts for the tiny difference.

I have to call this one at 7800:1 native contrast. Yeah. Now, to find out the ratios at various degrees off-angle, until the 1000:1 point where it becomes "worse than IPS"
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post #221 of 1431 Old 05-26-2017, 04:05 PM
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Quote:
Originally Posted by imagic View Post
Take a very deep breath... I sure had to. But, the numbers support what my eyes are seeing and my meter is not lying. So, without further ado...

SDR 3X3 ANSI (measuring a single square) 7800:1 no local dimming, 13,100:1 with local dimming high

SDR 4X4 ANSI (measuring a single square) 7900:1 no local dimming, 10,850:1 with local dimming high

According to the menu, local dimming is turned off. Getting effectively the same result from the 3X3 and then 4X4 grid. The meter is centered to the screen for 3X3, offset up and to the right to fit in the center of the square for the 4X4 pattern, which accounts for the tiny difference.

I have to call this one at 7800:1 native contrast. Yeah. Now, to find out the ratios at various degrees off-angle, until the 1000:1 point where it becomes "worse than IPS"
Mother of god...

Edit, im not saying i dont believe you, but that is HIGHER than KS8000, which correct me if i am wrong has the highest measured native contrast of any LCD TV from rtings.
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post #222 of 1431 Old 05-26-2017, 04:06 PM
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Originally Posted by imagic View Post
TCL's P-Series brings some serious picture quality to the table at an astonishingly low price. It's a Roku TV with Dolby Vision and 72-zone FALD. With encouraging performance in numerous areas, this could wind up being one of the best deal on a 55" HDR TV around. Plus, gamers should be thrilled by the ultra-low lag times for both SDR and HDR 1080p when in Game mode.

Here's the link: TCL 55″ P-Series Model 55P607 4K HDR Roku TV with Dolby Vision: First Look"]TCL 55″ P-Series 4K HDR Roku TV Model 55P607 – First Look[/URL]
Wow sounds great. Good thing I ordered when it first went
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post #223 of 1431 Old 05-26-2017, 04:07 PM
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Quote:
Originally Posted by imagic View Post
Take a very deep breath... I sure had to. But, the numbers support what my eyes are seeing and my meter is not lying. So, without further ado...

SDR 3X3 ANSI (measuring a single square) 7800:1 no local dimming, 13,100:1 with local dimming high

SDR 4X4 ANSI (measuring a single square) 7900:1 no local dimming, 10,850:1 with local dimming high

According to the menu, local dimming is turned off. Getting effectively the same result from the 3X3 and then 4X4 grid. The meter is centered to the screen for 3X3, offset up and to the right to fit in the center of the square for the 4X4 pattern, which accounts for the tiny difference.

I have to call this one at 7800:1 native contrast. Yeah. Now, to find out the ratios at various degrees off-angle, until the 1000:1 point where it becomes "worse than IPS"


Those specs are insane for any LCD, especially considering the low price point.
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post #224 of 1431 Old 05-26-2017, 04:10 PM
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Take a very deep breath...
I did not take a deep breath. Proceeded to nearly choke on the water I was drinking.

7800:1. What. The. ****.
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post #225 of 1431 Old 05-26-2017, 04:14 PM
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Ya, if uniformity isnt an issue on these sets its a must buy for me (even if roku isnt my bag, ill get used to it).
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post #226 of 1431 Old 05-26-2017, 04:15 PM
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Those specs are insane for any LCD, especially considering the low price point.
You arent kidding, check this:
http://uk.rtings.com/tv/tests/pictur...contrast-ratio
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post #227 of 1431 Old 05-26-2017, 04:15 PM
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Sweet!
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post #228 of 1431 Old 05-26-2017, 04:16 PM - Thread Starter
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Quote:
Originally Posted by Fascinate View Post
Mother of god...

Edit, im not saying i dont believe you, but that is HIGHER than KS8000, which correct me if i am wrong has the highest measured native contrast of any LCD TV from rtings.
There's no much I can do about the math, lol. If it helps, I have not seen any significant haloing so far.

I'll reduce brightness to 100 nits and remeasure 4X4, so I'm doing exactly what rtings.com did to arrive at the number. I'll also measure several squares... be back in 5-10 mins.

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post #229 of 1431 Old 05-26-2017, 04:26 PM
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Ya guys if you didnt know already, many people consider contrast the #1 factor in determining PQ of a TV. If this 600 dollar set can best a ~1500 dollar set from last year (which is still samsungs best LCD TV), this is a big deal.
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post #230 of 1431 Old 05-26-2017, 04:29 PM - Thread Starter
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The only way I can get this TV down to 100 nits when showing the 4X4 pattern is to turn the backlight all the way down, and then turn the contrast setting down... significantly. That artificially lowers the contrast, and yet I still measured 6050:1.

The darkest I can get the white square in that 4X4 checkerboard pattern—without turning down the contrast control—is 130 nits. And boom, contrast ratio measures 7850:1. Meter is working fine.

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post #231 of 1431 Old 05-26-2017, 04:36 PM
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The only way I can get this TV down to 100 nits when showing the 4X4 pattern is to turn the backlight all the way down, and then turn the contrast setting down... significantly. That artificially lowers the contrast, and yet I still measured 6050:1.

The darkest I can get the white square in that 4X4 checkerboard pattern—without turning down the contrast control—is 130 nits. And boom, contrast ratio measures 7850:1. Meter is working fine.
If I may ask, was this unit sent to you specifically as a review unit? Is there any chance at all that TCL is sending out extra awesome review sets that are way better than what the actual product a consumer receives will be?

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post #232 of 1431 Old 05-26-2017, 04:36 PM
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Originally Posted by imagic View Post
The only way I can get this TV down to 100 nits when showing the 4X4 pattern is to turn the backlight all the way down, and then turn the contrast setting down... significantly. That artificially lowers the contrast, and yet I still measured 6050:1.

The darkest I can get the white square in the 4X4 in that checkerboard pattern without turning down the contrast control is 130 nits and boom, contrast ratio measure 7850:1. Meter is working fine.
That is just insane lol. Even when you nerfed the TV it still has a higher native contrast than vizio P from last year. From reading many reviews from the ks8000 most people said its ~6900:1 native contrast was about as good as you will see from an LCD tv, what an achievement from TCL.

Your comments about seeing limited blooming are also appreciated, local dimming and how well TCL got the algorithm down was one of my major concerns with this TV. Luckily, firmware can take care of a lot of the problems incurred with FALD
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post #233 of 1431 Old 05-26-2017, 04:38 PM
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Looks like TCL has a winner on their hands. Hope the grey uniformity is good.
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post #234 of 1431 Old 05-26-2017, 04:42 PM
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Any chance they sent you a ringer!!! Gauantee to blow your socks off?? I kid, I kid.... It might be fair to say this set is going to totally piss off the other manufacturers. Consider the performance/ cost bar raised

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post #235 of 1431 Old 05-26-2017, 04:45 PM - Thread Starter
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Just to double check, I put up a full black field with local dimming turned off. The backlight stays on. Then I cycled through window patterns in 10% increments. The background black stays the same.

Then I measured full-screen black and full-screen white. You guessed it... 7800:1

It's rock-solid confirmed, there's no way around it. And yeah, viewed head-on with local dimming turned off, this TV looks great. I don't know how/why this TV is delivering such great native contrast. Please do note, there's VA panel drop-off so these contrast figures are for head-on. Going down to figure that off-axis stuff out right now.
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post #236 of 1431 Old 05-26-2017, 04:45 PM
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Any chance they sent you a ringer!!! Gauantee to blow your socks off?? I kid, I kid.... It might be fair to say this set is going to totally piss off the other manufacturers. Consider the performance/ cost bar raised

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No disrepect to imagic whatsoever but i cant wait to see rtings review, just so i can have an apples to apples vs the TV's i have been interested in and researching this past year. Surely this TV has to have some downsides, uniformity and FALD performance are the two i am going to be keeping a close eye on. Motion/sound i couldnt care less about, got a sound bar and i game on PC. I am just looking for a nice alternative to the vizio P for dark room movie watching, this looks like it could be it.
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post #237 of 1431 Old 05-26-2017, 04:50 PM
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Originally Posted by imagic View Post
Just to double check, I put up a full black field with local dimming turned off. The backlight stays on. Then I cycled through window patterns in 10% increments. The background black stays the same.

Then I measured full-screen black and full-screen white. You guessed it... 7800:1

It's rock-solid confirmed, there's no way around it. And yeah, viewed head-on with local dimming turned off, this TV looks great. I don't know how/why this TV is delivering such great native contrast. Please do note, there's VA panel drop-off so these contrast figures are for head-on. Going down to figure that out right now.
Just awesome lol. I expected a nice mid ranger from TCL when i heard about this TV, but these specs indicate it wants to bang heads with the big boys.
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post #238 of 1431 Old 05-26-2017, 04:52 PM - Thread Starter
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Originally Posted by Fascinate View Post
No disrepect to imagic whatsoever but i cant wait to see rtings review, just so i can have an apples to apples vs the TV's i have been interested in and researching this past year. Surely this TV has to have some downsides, uniformity and FALD performance are the two I am going to be keeping a close eye on. Motion/sound i couldnt care less about, got a sound bar and i game on PC. I am just looking for a nice alternative to the vizio P for dark room movie watching, this looks like it could be it.
None taken. But consider this... just yesterday I went to visit @DreamWarrior to calibrate and then profile his Sony X940E 75" TV. Obviously, bought by a consumer. My point? These TVs will be everywhere.and I'm not limited to putting meters on mfg's samples.

But, I am lucky enough to get a sample before they ship. I think it's self-evident such a TV would be one that conforms to the specs and tolerances TCL set out.

Does that mean other sets will perform differently? I can only say that soon enough, it should not be difficult to find other samples to profile. So, I certainly do hope the positive experience I am having and conveying translates and is shared by folks who take the plunge on this TV.

I'll take some pics of full-screen gray slides soon...

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post #239 of 1431 Old 05-26-2017, 04:55 PM - Thread Starter
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60 Hz panel with backlight scanning (re)confirmed, sorry for any confusion.
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post #240 of 1431 Old 05-26-2017, 05:06 PM
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My daily driver is the 55" Samsung KS8500 and it's been nothing short of excellent.. my only gripe is the banding in dark scenes and a little bit of blooming from the edge lights. This TV might just end up making me move the KS to the bedroom. Although I'll wait for the larger size.

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