A:AnswerThe crystal series is just the newer updated panel. In order to sell it at a cheaper price point, they dropped off basically all of the extra features. The non crystal series (one i have) has basically every bell and whistle you could want. So short awnser is, Crystal series is the new model, non Crystal series is about 2-3 year old model (but superior imo). Like buying a 2020 car with no features vs a 2017 fully loaded :)
A:AnswerThe center of the TV's two legs are 39 and 3/4 inches apart. There are 8 and 1/2 inches distance between the center of each leg and each edge of the TV. Each leg is 13 inches long at the base and the legs are one inch wide. The distance from the bottom edge of the TV to the tabletop is about 3 inches.
A:AnswerIf it's just dusty I would just wipe it down with a damp rag, dry it off with a soft cloth. And if you want it to "shine" you can apply some LCD cleaner.
A:AnswerIn Expert settings...
1) Dolby Digital + option is only available via HDMI (Arc) for external devices that support the format.
2) The HDMI (ARC) port MAY support eARC in SOME models.
Im not sure if this helps you, but I have a supportive New Samsung sound bar in the HDMI Arc port and it sounds out standing!