Runco q750? - AVS Forum
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post #1 of 6 Old 08-13-2013, 04:58 AM - Thread Starter
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I have had a Runco LS3 for the last two years and been very pleased. I am projecting on an 84" screen. The room has decent light control and I am usually watching only at night. I have no interest in 3d capabilities and watch only movies. Due to a lightning strike, the LS3 is fried. I am interested in going to LED but the installer seemed to think the Q750 may not be bright enough for my needs. Any thoughts would be appreciated.
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post #2 of 6 Old 08-13-2013, 06:37 AM
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Then your installer is not familiar with the Runco Q-750 line at all...
The Q-750i is more than capable enough of lighting up a 84" diagonal screen (horizontally measured as well), unless you are using a screen with a gain below 1.0, which does not make much sense.
In fact, if you look at Runco's own literature on the line, it is recommended for screens between 72" to 92" in width up to a maximum of 108".
I own a Runco Q-750D LED projector and have used it very, very extensively for almost two years with an older high-gain curved silver screen, 4:3 aspect ratio, measuring 76"diagonal (60" width) and the picture is so bright that after calibration i had to keep contrast below zero at -10 (from a range between -50 to +50) otherwise whites would "bloom" severely and become uncomfortably bright.
The picture is amazingly detailed, colors supplied by those Phlatlight R/G/B LED chipsets from Luminus Devices are mesmerizing (no exaggeration), excellent black level with "constant contrast" engaged, no need for yearly re-calibrations, no worries about bulb changes, explosions, costs, availability, and my projector runs very cool to the touch with nearly inaudible fans.
I am sure that if you search around you will find plenty of great deals for the Q-750i projector, which was released some years ago.
According to Home Theater magazine, which tested both the Q-750i and the Q-650i projectors, on a 78" wide Stewart Filmscreen Studiotek 130 screen (16:9, 1.3 gain) the first had a black level of 0.0028 ft-L and onscreen peak white of almost 21 ft-L (very bright) for a contrast ratio of 7.500:1, and the second displayed black level at 0.0049 ft-L and peak white of 17.1 ft-L, for a contrast of 3.500:1.
You should check out the many online reviews for the Runco Q-750i, i think you'll be pleased...
Marcos
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post #3 of 6 Old 08-13-2013, 07:24 AM - Thread Starter
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Thank you, Marcos. I will talk to the installer. Given the prices, I guess I am really more interested in the Q-650i.
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post #4 of 6 Old 08-13-2013, 02:43 PM
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Check out member seegs108 he has a clone of the q750 that he is selling very cheap!
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post #5 of 6 Old 08-13-2013, 04:06 PM
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....And there is another AVS member who listed a barely used Digital Projection M-Vision LED projector for only $4,000.00 or best offer, a "clone" of the Runco Q-750i, which is a bargain if proven correct and reliable.
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post #6 of 6 Old 08-13-2013, 04:36 PM
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I have the q750 as well. 115 wide 235 screen that has a gain of less than one. Its very bright, no issues at all. and its will be like that for years and years to come. I love mine so far

if you want a temp inexpensive fix I have a Runco RS900 with an anamorphic lens that I bought as a dealer demo, low hours, and never took it out of the box. I found a demo of the q750 and bought that in addition too it.
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