What is the function of a security horn speaker?
The security horn loudspeaker can better assist the security defense system in enhancing its security protection capabilities, issuing timely alerts to remind people to pay attention to safety, thereby enhancing its security protection capabilities. Security horn speakers can effectively prevent criminal behavior, prevent losses, and enhance safety protection capabilities, making them an important means of ensuring people's safety. When installing the security horn, it is necessary to choose a...
There are also many different ways to buy Speaker drivers.
Many people may not be particularly aware of these specific purchase methods, which will have a great impact on us. So if you really want to do these things, what specific methods are there? Traditional offline methods The traditional way of purchasing tweeter driver unit is through offline channels. Many people still choose this method, because in the process of purchasing, they can see the specific situation of the product and make further distinctions, so as to make a good judgment, which...
Supermarket Public Broadcasting/Fire Broadcasting Loudspeaker
A "one-stop" shopping supermarket for a family. Offers a wide variety of high-quality low-priced items, from fresh vegetables to snacks, from home appliances to transportation, from clothing to furniture, from health and beauty supplies to toys and more. The goal of One Plus One is to provide warm and friendly service to all customers. Project requirements: ● The purpose of the supermarket public broadcasting system is to play background music to reduce the noise of the supermarket and create a...
Selection and configuration principles of broadcast speakers
In principle, broadcast speakers of different specifications should be selected according to the environment. For example, in a room with a suspended ceiling, it is advisable to use a built-in ceiling speaker without a rear cover. This type of loudspeaker is simple in structure, relatively cheap in price, and easy to construct. The main disadvantage is that there is no rear cover, and it is easy to be bitten by insects and rodents. In the room with only frame ceiling and no ceiling (such as...
Sound field design for public broadcasting and professional audio
Design of sound field for public broadcasting and professional sound reinforcement First of all, it is necessary to clarify what kind of sound engineering is to be designed. It belongs to entertainment venues such as concert halls, theaters, dance halls, karaoke rooms; studios, recording studios and other program production places; conference halls, multi-purpose halls, stadiums, gymnasiums, What kind of places are language-based, such as public broadcasting, or background music, etc.? Then,...
Amplifier and speaker power matching
Power matching between power amplifier and speaker in broadcasting system: In broadcasting system, the matching between Electronic amplifier and speaker is very particular. The connection between the Audio power amplifier and the speaker pays attention to suitable heat and cold, moderate hardness and softness, so as to maintain the neutral sound quality of the complete set of equipment, which is only considered at the modeling level. Power matching In order to meet the requirements of...
What causes the PA loudspeaker to lose its sound
The application of tweeters horn speakers in our daily production and life is becoming more and more frequent, and it can be seen almost everywhere. At the same time, everyone has higher and higher quality requirements for tweeter equipment. Some users find that tweeter equipment often loses sound during use. Fault, then what are the reasons for the failure of the speaker to have no sound? How to solve these problems? The silent failure of the tweeter may be the open circuit of the voice coil...
Avoid suddenly turning up the loudspeaker volume
As an information transmission tool, radio speakers often appear in our daily life. Mastering the correct use method can avoid the occurrence of many wrong operations, thereby prolonging the service life of radio speakers. About the use of broadcast horn speakers, The broadcast PA loudspeaker manufacturers remind you that you should avoid suddenly turning up the volume. When the sound is suddenly turned on, the power amplifier will suddenly output a large amount of instantaneous energy. At this...
Stadium sound reinforcement system solution-PA Loudspeaker
The stadium sound reinforcement system mainly includes: 1. Live sound reinforcement PA loudspeaker system for sports competitions 2. A mobile sound reinforcement system for opening and closing ceremonies and large-scale theatrical performances 3. Automatic priority broadcast system that satisfies multi-level broadcast (including emergency broadcast) 4. Digital networked signal transmission and control system 5. Power amplifier and signal transmission fault automatic detection system, etc. basic...
The use environment of the loudspeaker installation of the broadcasting system
1. According to the installation and use environment of the horn to distinguish A. Outdoor type B. Indoor type C. Mixed indoor and outdoor D. Relatively concentrated E. Dispersed 2. According to environmental conditions A. Quiet environment (below 30db) B. General noise environment (30-60db) C. High noise environment (above 60db) 3. Environmental requirements for speaker power and form Outdoor quiet environment, generally controlled between 3-5W per 10 square meters, should use low-power sound...
The Necessity of Public Broadcasting Speaker in Every Village
Every village broadcast is also called the rural broadcasting horn speaker system, in order to quickly, efficiently and comprehensively disseminate the policies of the party and the state to benefit the people, disseminate agricultural science and technology, and rural information; to increase agricultural efficiency and farmers' income. With the advancement of networking and the development of civilized industry, especially in the base No. 1 document on how to open up the strategic deployment...
The main technical indicators of the audio speakers of the broadcasting system
The power of the horn speaker include the rated power and the minimum recommended power. In the broadcasting system, the rated power refers to the power required for the continuous operation of the horn speaker within the allowable distortion range. The minimum recommended power refers to the minimum undistorted power given by the speaker within the allowable distortion range of the reproduced sound. Peak power is the amount of power a speaker horn can withstand without damaging it. The...
Troubleshooting of constant voltage power amplifier
Generally, when the public broadcasting power amplifier fails, the user will return to the manufacturer for repair. This is the user's right and the manufacturer's obligation. There is no problem at all. However, because repairing takes time after all, it will delay a lot of things for many urgent users. Let us introduce some simple troubleshooting knowledge of public broadcasting power amplifiers. If your broadcasting power amplifier fails, you can also detect it yourself. If the problem is...
A "hard-core Horn Speaker" is the common memory of generations of Chinese farmers
Recently, the horn loudspeaker, which is quite eye-catching in the epidemic prevention propaganda in vast rural areas of China, has been praised as "high-energy" and "hard-core", and it also evokes people's historical memory. For a long time, horn speakers were closely linked with state power and were an important tool for rural political mobilization. However, after the reform and opening up, the political function of the rural PA loudspeaker has been weakened continuously, and it has...
New Technologies and Trends of PA Loudspeaker
Modern audio is more than just placing woofers and tweeters in a box. Now it takes you inside the horn speakers and explores new devices in the speakers. Sound design is an evolving science. The quality of components such as the woofer and tweeter has improved significantly over the years due to material upgrades. At the same time, new functions have been added to the horn speaker as the internal electronics have become more powerful. The results of these improvements are much greater than the...
What to do if the sound is not handled well
The human ear is more sensitive to timbre, and can directly judge whether the sound of PA loudspeaker is realistic or not. Timbre is of great importance in tuning. A little bit of mishandling of timbre will result in monotonous and boring sound, and even worse, serious distortion of musical instruments or singing. Today we are going to share some professional tuner tips of horn speakers! 1. Adjust the bass and soprano Under normal circumstances, male voices have excess bass, which will be...
Wiring method of Ceiling Speakers
When installing the ceiling speaker, the opening distance will be considered, so before installation, you must first check the peripheral parameters of the ceiling speaker and make holes on the ceiling. Usually there are 4 inches, 5 inches, and 6 inches. The opening diameter can be opened according to the opening size specified in the instructions of each ceiling speaker or the manufacturer's atlas. In actual construction, it can be slightly larger, which is more convenient for installation....
The "strongest" voice in the city's presence: It turns out that the air defense alarm is not a loudspeaker...
Origin: It's actually a musical instrument... Strange to say, the siren used as an anti-aircraft alarm appeared earlier than any kind of anti-aircraft weapon! Even 100 years after he appeared, the plane really appeared... The earliest siren was actually invented as a musical instrument... In the 18th century, Finnish physicist John Robinson invented a simple musical instrument, which was driven by a rotating ringing wheel and adjusted to different melodies using the openings on the opening and...
The world's largest air defense horn-Made in China
The dual-use exhibition was grandly opened, and various military and civilian equipment products covering various fields such as sea, land and air equipment, unmanned systems, command and control systems, network security, optoelectronic and infrared systems, logistics equipment, and new materials were unveiled at the exhibition. Entering the exhibition hall, the most striking thing is a huge red "horn speaker". This big guy with a length of 3 meters and a width and height of 2 meters is called...
Wall-mounted stereo installation layout and installation precautions
Wall-mounted PA loudspeaker is lighter than regular speakers and have better stereo sound. How do I install a wall speaker system? Is the wall-mounted sound system installed in the home? Below, Houjiji will show you the installation layout and installation precautions of the wall-mounted stereo. 1. Wall sound arrangement 1. After installation, the local sound is evenly played, and the audio-visual direction is the same. 2. The layout of the wall-mounted audio system is mainly simple and...
Where did the air defense sirens come from?
The one with four "big horn speakers" is called an electro-acoustic siren. Its working principle is to convert the small audio signal into sound energy after power amplification, that is, convert electrical energy into sound energy. The installation positions of these air defense alarm speakers are determined according to the research and analysis of relevant indicators such as topography, important targets, and population distribution. In order to ensure the relative stability of the position...
The coverage of rural wireless broadcasting_How far is the 25W/50W wireless loudspeaker?
Many people are questioning the coverage of rural wireless broadcasting, worrying that after installation, the signal will not reach the coverage of wireless broadcasting in the whole village. In fact, you can rest assured that high-power wireless broadcast transmitters can reach a radius of about ten kilometers at the farthest, which is more than enough to cover a township. Each village is equipped with a set of horn speakers, and 25W/50W speaker horn can be used. The specific situation...
Ceiling Speakers and Wall Mounted Speakers Arrangement and Installation
The arrangement of the ceiling speakers is very important, and the arrangement of the whole sound reinforcement system is also very important. The quality of the arrangement is directly related to the sound reinforcement quality of the whole system. Now, let's go with the editor to understand how the sound reinforcement system should be arranged and installed. 1. The principle of arrangement of speakers The arrangement of wall speaker generally follows the following principles: 1) Make the...
