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Detailed introduction to the function and composition of active speakers

2024-07-03

Detailed introduction to the function and composition of active speakers

To talk about what active speakers are, we must first talk about the composition of the sound system. The simplest sound system consists of several links: sound source, power amplifier and speakers. Sound source refers to sound playback equipment such as radio, cassette player, CD player, VCD, DVD, MP3, etc. For computers, optical drives and sound cards are both sound source devices. The output voltage of general sound source devices is relatively small, ranging from hundreds of millivolts to two volts. If it is directly connected to the speaker, the sound may be very small or even silent.

How should we judge the quality of the speaker system?

2024-07-03

How should we judge the quality of the speaker system?

The main technical indicators and personal experience to judge the quality of the speaker system: The overall technical indicators of the speaker system are good or bad, which depends on the performance of each unit. If the technical indicators of each unit in the system are high, then the overall technical indicators of the system are very good. There are six main technical indicators: frequency response, signal-to-noise ratio, dynamic range, distortion, transient response, stereo separation, and stereo balance.

What details should you pay attention to when using speakers

2024-07-03

What details should you pay attention to when using speakers

Speakers are indeed a kind of equipment that is not easy to malfunction. As the saying goes, it is better to be prepared. If you can do a good job of daily maintenance and care during the use of speakers, you can at least extend the service life of the speakers and make your use more smooth. Today, the editor will let you know the daily maintenance methods of speakers: dust prevention is the key

The difference between a pure power amplifier and a preamplifier

2024-07-03

The difference between a pure power amplifier and a preamplifier

The pure power amplifier of Guizhou Jianhe Square is a simple volume amplification, which requires the amplification and control of the pre-stage. The pure power amplifier of the power amplifier only has the power amplifier part. It is convenient to match with various pre-stages and has a large upgrade space. The power amplifier with pre-stage is a complete power amplifier that combines the pre-stage and the power amplifier stage into one. Ordinary power amplifiers usually have 20 decibel pre-stage amplification or tone, volume, etc., and have multiple groups of inputs; pure power amplifiers are only responsible for power amplification, and at most only have volume adjustment, and the inputs are generally 1-2 groups.

What are the ways to avoid speakers burning out?

2024-07-03

What are the ways to avoid speakers burning out?

An important reason for the speaker to burn out is that the power of the power amplifier is too small, not too large. The signal sent by the power amplifier is a clipping signal, which causes damage to the speaker. Therefore, when equipping the speaker, you must establish a correct understanding and use the "big horse pulling a small cart" plan to prevent the power amplifier from sending a clipping signal and damaging the high and mid-range speaker units.

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