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The influence of power supply on audio sound
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-09-07
- Views:0
(Summary description)Ordinary audio players do not consider the power supply in the overall plan of the audio system in their minds. In fact, the performance of the audio system is greatly affected by the quality of the power supply, especially modern high-frequency communication equipment. In the current environment, the pollution of the power supply in the home is becoming more and more serious, which affects the sound performance of the audio system. In order to improve the purity of the power supply, we can consider from many aspects.
The influence of power supply on audio sound
(Summary description)Ordinary audio players do not consider the power supply in the overall plan of the audio system in their minds. In fact, the performance of the audio system is greatly affected by the quality of the power supply, especially modern high-frequency communication equipment. In the current environment, the pollution of the power supply in the home is becoming more and more serious, which affects the sound performance of the audio system. In order to improve the purity of the power supply, we can consider from many aspects.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-09-07
- Views:0
Information
Ordinary audio players do not consider the power supply in the overall plan of the audio system in their minds. In fact, the performance of the audio system is greatly affected by the quality of the power supply, especially modern high-frequency communication equipment. In the current environment, the pollution of the power supply in the home is becoming more and more serious, which affects the sound performance of the audio system. In order to improve the purity of the power supply, we can consider from many aspects.
The first is to install a power filter. The most affected audio system is the "contact conduction" electromagnetic interference. High-frequency noise generated by the motor device of the refrigerator and washing machine, the lighting tube, and even the computer will enter the power supply of the audio system without mercy. Sensitive circuit. Although these high-frequency noises far exceed the range of hearing, the magical ears can feel the deterioration of sound quality. These high-frequency noises do have a "modulation" effect on the audio signal of the sound. The most direct solution is to install a power filter.
In addition to the power filters in the market, there are also very effective "power processors". These products are usually expensive but have significant effects. They can effectively remove power impurities and maximize the sound quality of the equipment. Some well-designed power supply filters also have good performance, with good power capacity and dynamics.
Another thing related to the power supply of the equipment is also easily overlooked. Strictly speaking, "grounding" is actually part of the power supply, but "grounding" usually involves the default power system configuration during the construction of the building. Generally speaking, buildings will not do special treatment for the "grounding" of audio equipment, so the general "grounding" situation is not ideal. Good "grounding" can effectively suppress the influence of electromagnetic interference on sound quality. If conditions permit, professionals can be asked to erect the ground wire of the building.
The other part is the "grounding" treatment of the audio equipment itself. Sometimes connecting a ground wire between the signal source and the amplifier chassis can obviously help the sound quality. This is the effect of zero potential integration between the equipment. Helps suppress the influence of electromagnetic waves on sound quality performance. Of course, when it comes to the field of radio frequency interference, a seemingly inconspicuous ground wire needs to be carefully selected, and even the different connection directions will have audible differences.
Another topic related to the above-mentioned "landing" is "power phase". Usually the power cord of audio equipment is of IEC standard specifications, followed by whether the wall sockets and internal wiring in the house are constructed in accordance with the definition of the IEC standard. It is incorrect. Although the configuration does not affect the use of electrical appliances, it affects the sound quality of the audio system. In addition, for audio equipment that uses two-pin power plugs, plugging in in different directions will actually have different sound performance (the two power lines are divided into live and neutral wires), which is different from the power sockets that are not in accordance with the standard IEC device. The same is affected. Audio players can try their own sound changes to determine.
For a good set of audio equipment, the power supply and the ground wire are inseparable. Good "grounding" can help improve the purity of the power supply. In the case of serious pollution of the power supply, the power supply processing is already an important part of the audio system. Indispensable equipment.
The pure power supply allows the audio equipment to play its highest potential, which is to restore the original sound quality of the audio. Good "grounding" is a part of a good power supply. Then integrate the consistency of the power phase and zero potential between the equipment to give play to the best power rejection performance of the entire audio system, block all the noise that affects the sound quality, and restore the best original appearance of the music.
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