Home theater renovation considerations

I saw a lot of pictures of YUYU decoration, I feel that in the TV, home theater speaker decoration, layout, some experience is worth learning.
1) TV: Many YUYUs hang TVs high and they are very uncomfortable when watching. Normally, when watching TV, the eyes should be higher than the center point of the TV screen, basically equal to the top of the screen, or slightly higher than the top of the screen. If it is too high, then you should look up at the neck, it is easy to fatigue, and cause neck damage. Even if you rest your head on the sofa, it's just as hard. What is the reasonable height? Take the height of 168CM (the average height of men) and the 37-inch TV as an example. The height of the TV cabinet should not exceed 45 cm. Considering that there are children and women in the family (average height 158CM), 30-40 cm is more suitable.
2) The layout of the home theater .
There are two types of home theater speakers: 5.1 channel or 7.1 channel. The 5.1 channel is 2 front main speakers, 1 center speaker, 2 rear surround speakers, and the other 0.1 channel is a subwoofer ( subwoofer ), which is placed at any position. The front, center, and subwoofer do not require an embedded line, but the center speaker should be placed in the middle of the TV cabinet, and the size must be considered. The surround back requires a pre-embedded speaker cable. When pre-buried, the domestic wire rod is better than Huamin (Huazhen Line) in Shanghai. The installation height of the surrounding box should be about 1.8 meters, and the wire should be reserved for about 1.5 meters each. However, a relatively small round box can be hung on the wall. A relatively large bracket must be used, and a height of about 120 cm is enough. The 7.1 channel is based on the 5.1, plus two sides of the surround, to use the second era of Kung Fu, is still relatively expensive. Side surrounds also need to be buried, but depending on the layout of the living room, whether there are walls to walk. If the living room width is less than 4.5 meters, it is recommended not to consider 7.1. In fact, the effect of 5.1 is already very good.

What is better for home theater speakers? There are a lot of articles in it. High those inside the mall brand, price, beautiful appearance, but the sound effects are often not very good. It is recommended that you go to the Federal Gift City that is handed over to Xiangxi and Hubei West Road. There is a sound city, or there is also a 2nd floor of the Electronic City. The better speaker brands are: domestic Huiwei, Hewlett-Packard, He's lamp, foreign B&W, Dali (Dani), Zunbao, Lefuhao, KEF, Yili, Yanfei Lishi, Jinlang, Meisheng and so on.
Home theater amplifiers are generally better than foreign brands, such as Tianlong, Yamaha , Marantz, Onkyo, Pioneer, etc. Domestic Tianyi is also good.

Home theater renovations should also pay attention to the projected line pre-buried. At present, projectors are not expensive, and they are cheaper than many LCD TVs . The projector reserves a projection bracket (shelf), or a hole in the wall, or hoisting. In height, match the size of the projection. If a partition is used, the height should be about 2 meters, depending on the specific machine parameters. What do you need for the projector's embedded signal line? Generally, it is best to install 1-2 HDMI HD lines, 1 color difference line, and 1 S terminal line. If you want to cast cable TV, you may need 1 AV line. If there are not many meters, then one HDMI cable and one S terminal cable are enough. Others like to connect the projector to the computer , then you need a VGA cable. However, the VGA cable head is relatively thick, it is not easy to be buried, or it is difficult to use the cut-off wire tube, or to re-weld after the joint is buried.

Generally speaking, a 4.5-meter screen can use a 100-inch 16:9 curtain, and it is not necessary to have a 120-inch screen. For larger spaces, you can use 120 inches. The lower side of the curtain is more than 60 cm below the ground, and 40-60 cm is more suitable. The height of the 100-inch screen (124+ black side) is around 130CM. The projection screens are arranged with black cloth on the upper end, generally 50-60 cm, many of which can be customized. This installation height can be 130 (100-inch curtain + 40 off the ground + 50 on the black = 220CM or so. If you want to hoist to the ceiling, you need to customize more black length.

If you dig a hole in the wall and install a projector, be careful that the hole is not too small. The projector is very hot, so you must have enough cooling space.



Installation of the projection screen: If there is a ceiling, reserve the slot. Take 100 inch as an example, about 2800X20X20. Considering that there is a flat-panel TV below, the slot should be 15-20 cm away from the wall. Otherwise, the projection screen will be lowered and the TV will be picked up.
TV sockets are pre-buried: in principle, more and better. A power outlet and a blank board need to be reserved on the TV. The blank board is used for the extraction of the surround signal line and the projector signal line. Power outlets should be considered: TV, amplifier, DVD, subwoofer, if there is a HI-FI enthusiast, there will be a CD.
At the same time, be careful not to pre-embed the socket to the back of the TV. This is a good cover, but how do you plug and unplug the power plug?

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