HIFI power amplifier entry knowledgePower amplifier, the abbreviation of power amplifier. Its basic function is to amplify the signal from the preamplifier around 1V, so that it can generate enough undistorted output power to drive the speaker to work norm

Power amplifiers are generally divided into front-level power amplifiers, rear-level power amplifiers and combined power amplifiers (commonly known as combined machines). A combined machine is a machine that integrates the front stage and the back stage. The front stage is used to initially amplify

The principle and history of Dolby surround soundSurround sound comes from movies, and its appearance is very popular among film and television companies and audiences. On the basis of the development of surround sound in theaters, Dolby Laboratories has developed a home s

About HiFi | What is audio infrastructure?Space processing, equipment selection and collocation, speaker placement, power supply processing, wire and pad materials, these five major items are the basic construction of audio. A country cannot successfully develop its economy or bring about a prospero

What is HI-FI?Sound is a polysemous word. In physics, sound can be understood as the sound that the human ear can hear. In sound technology, sound refers to the sound reproduced by the sound reproduction system. For example, the music, songs and other

Why is hifi so expensive ?Usually, you can often see the phrase "under 10,000 yuan to listen to a sound" on the Internet, and there is some sense of distance in the ridicule. In the eyes of most people, the value of audio products is not directly proportiona