【Application·Tips】Public address system speaker layout

In the public address system, the placement of speakers (speakers) is very important. Too wide the placement will affect the broadcasting effect, and too dense will increase the cost. Therefore, in the public address system, the distance between the speakers and speakers must be calculated according to actual needs.

1. Suggestions for large indoor places.

In the room, usually choose a ceiling speaker, ceiling speaker or wall-mounted speaker as the speaker. For indoor places of 20 to 60 square meters, generally choose a 6W speaker or wall-mounted speaker. If you want to divide the detailed points, you can choose according to the noise floor of the specific environment. For example, a supermarket can install a ceiling speaker at 40-60 meters; the hotel lobby has a lower noise of 10-20 decibels than a supermarket, and a 3W ceiling is installed at 40-60 square meters. Speakers are fine; in places such as factories and workshops, due to too much noise, the sound column is generally used as a speaker. For example, a 40-watt sound column can be installed every 25 meters in an 80 decibel workshop.

2. Suggestions for corridor places.

It is also necessary to consider the noise of the place here. Like a hospital, a 3W ceiling speaker is installed at 8-12 meters; the corridor of a hotel or office building has a large noise at about 9 meters, and it is best to install a ceiling speaker; Install a 5W ceiling speaker at 7 meters. If you use a speaker column, it is recommended to install a 15W speaker column every 15 meters.

3. Suggestions for outdoor locations.

It is recommended to use high-power column or lawn speakers as speakers, and the layout should be calculated according to the area. If a high-power sound column is used, a 30W sound column is generally installed for 400 square meters, a 40W sound column is installed for 600 square meters, and a 60W sound column is recommended for 800 square meters. It is recommended to use lawn speakers in the green belts of communities, parks, schools and other places. Parks and residential areas are relatively quiet, and the requirements for sound quality are not too high. Generally, one is installed at about 35 meters. If the budget is not enough, the spacing can be increased. Due to the large number of broadcasts and notifications, the school sometimes uses it for events, so it is recommended to place a speaker about 15 meters away.

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