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Mitsubishi HC6500 Home Theater Projector Review: General Performance-3

Posted on October 15, 2013 by Art Feierman

Mitsubishi HC6500 Projector: Light Leakage

Click to Enlarge.  So close. Nothing to concern yourself with here. There is a small amount of light leakage through the lens (no doubt varying depending on how much lens shift you use), and iris settings, as well. Even with white walls, you are unlikely to spot the leakage unless the screen image is essentially black, and probably wouldn't notice it anyway, unless looking for it.

The uniformity of the background was very good for a 3LCD projector. We sometimes find problems with early units (mostly pre-production, which this one wasn't). Here is a very long time exposure of the Mitsubishi on a black "scene". Stare hard, and you can see some slight color shifting, but not an issue at all during normal viewing:

Click Image to Enlarge

Mitsubishi HC6500 Projector: Audible Noise Levels

The HC6500 joins their other 1080p projectors in claiming to be the quietest projectors on the market. I have to agree. Mitsubishi claims a record setting 17db in low power mode. Figure 3-6 more db at full power, and you still have a projector, at full power, that is quieter than half the projectors out their in low power.

In low power, the Mitsubishi is about as close to dead silent as exists today. Certainly their 17db claim is the lowest I have seen yet.

Mitsubishi HC6500 Projector: Screen Recommendations

Since the HC6500 projector has respectable black level performance, a high contrast gray surface is not needed. Still, having one of those screens will lower the overall black levels and provide blacker blacks than a white surface. I've watched the HC6500 on both my Carada Brilliant White surface, and my Firehawk G3 (high contrast gray). I prefer the Firehawk, as I like darker blacks, but the Carada - filling all 106" diagonal, did fine overall. Your decisons will be in part determined by your screen size, and any ambient light issues you have in your room. Also factoring in, is the Mitsubishi's brightness. Since the HC6500 is not remarkably brighter in brightest mode, than best mode, those who will be doing a lot of mixed viewing - movies, general TV/HDTV, and sports, and especially those craving sports viewing, may want to stick with white surfaces, unless there's side ambient light, in which case the high contrast gray may provide a more watchable, less washed out image, despite being less bright.

If you really are going to be watching a lot of content, when you don't want the room really dark, you may want to consider a high gain screen, say 1.8 gain or a bit higher, although they provide a narrower viewing cone, and if sitting off to the side, even slightly, you are likely to see a modest brightness difference between the left and right side of the screen. While the HC6500 on my Firehawk, in best mode, darkest room, had no problem filling my screen with lumens, for my sports viewing, I reduced the size of the projected image from 128" diagonal to roughly 110" diagonal to satisfy my need for brightness and pop, while watching sports.

Mitsubishi HC6500 Projector: Measurements and Calibration

Warm 6292K
Medium 7213K
Cool 10490K (try to find red, good luck)
High Brightness 8984K

First, let's start with out of the box color temperature measurements for each Temp setting. Ideal is 6500K, although a little cooler (stronger blue than red), tends to be easier to watch when theres ambient light. Personally, I like around 7000K to 7500K for sports viewing when I've got my usual ambient light for daytime viewing:

Here are our general settings that Mike came up with:
Contrast -2 (0)
Brightness 3 (0)
Gamma Auto
Color Temp Medium
Lamp Mode Standard (unless noted otherwise)
Iris Off
Color 0 (0)
Tint 0 (0)

When switching to Low Lamp mode, color temp for Medium (the only one we checked in low lamp mode as well as full power) dropped by about 160K, not much, but worthy of note.

For calibration purposes, adjusting gamma should be done first, as different settings affects the color temperature (why?)

Zoom at mid-range, All other settings at default, numbers in () are default settings

The gamma controls don’t have much range, and gamma always measured a bit on the low side (1.9 to 2.1, where ideal is 2.2). The difference between 2.1 and 2.2 is pretty negligible.

White (100 IRE) 6292K
Light gray (80 IRE) 6294K
Medium gray (50 IRE) 6254K
Low gray (30 IRE) 6194K

Since the Warm color temp is closest to ideal for movie viewing (without calibration) we measured these temperatures across the grayscale range:

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