During testing, the Philips PML9009 performed best in the factory "Filmmaker" mode, which we evaluated across both SDR and HDR content. A key characteristic observed in this mode is the EOTF curve’s behaviour in HDR content and gamma settings in SDR, designed to enhance image accuracy. However, the PML9009 presented noticeable issues, particularly with white balance, as a pronounced red dominance created a yellow tint across the entire image. This affected skin tones and white areas, with faces and whites appearing unnaturally warm. The colour shift was confirmed through the "ColourChecker" palette, where colours leaned towards warmer shades.
In the gamma analysis, responsible for image contrast, we noticed considerable inaccuracies early on. Our measured values spiked above the reference, causing dark scenes to lose detail and merge visually up to about 10% screen brightness. Following this, the values dropped below the target line, further degrading contrast—an area already challenging for this model.
In HDR content, the white balance remained similarly flawed, and the EOTF curve also restricted brightness levels, resulting in a dim, muted image. Colour inaccuracies were even more pronounced here, with lower luminance levels causing large deviations from accurate colours, which were clearly visible on the error graph, often exceeding acceptable limits. While aiming for cinematic quality, this mode ultimately fell short in delivering balanced colour and contrast fidelity.
At the outset, it is worth noting that color reproduction tests are always conducted in the best factory picture mode. In the case of the Sharp GR8, this is the "Film" mode. As for the white balance, which is a characteristic that affects how we perceive colors on the screen, in SDR mode, the strong dominance of blue immediately stands out. This results in an unnatural cooling of the image—blue elements take on a purple hue, and skin tones acquire a pink glow, which we can see in the comparative photo from the movie STAR WARS. During the Color Checker test, it was clearly visible how the color samples deviated from the reference values, confirming significant errors in color reproduction. Gamma was not perfect either—it caused excessive brightening of the entire image, causing the scene to lose depth and proper tonal transitions.
In 4K HDR mode, the situation looks much better. The dominance of blue is much less noticeable, although there are minor issues with the combination of red and blue. This makes some shades look somewhat unnatural. The EOTF curve, responsible for the brightness of the image in 4K HDR content, showed another problem—the television tends to excessively darken the image across the entire screen.
In summary, the "Film" mode on the Sharp GR8 would require some adjustments to fully utilize the potential of this television. Fortunately, we addressed this and proceeded to calibration.