How should a novice maintain the sound professionally?

　　During the current epidemic, most people cannot go out. In addition to playing games and watching TV at home, the only thing I can do is listen to music. But for some professional audio, how to use, many friends may not know how to maintain.

　　Taboo 1 for the use of audio equipment: put the equipment in the cabinet

　　Some music equipment enthusiasts, who pursue decoration or want to better protect their favorite musical instruments, will put the equipment in a custom-made cabinet. In fact, many audio manufacturers have emphasized that this is a taboo. Because the space in the cabinet is small, if the air is not circulated, the sound quality of the equipment will become stiff after a long time.

　　The use of audio equipment taboo 2: stacking equipment

　　Many users like to place DVD players, amplifiers, tuners, stereos and other machines on top of each other, which is also one of the misunderstandings in the use of equipment. Stacking the equipment will cause mutual interference between the equipment, which will destroy the sound quality of the equipment for a long time.

　　The use of audio equipment taboo three: the power plug is positive and negative

　　Technical workers said that many users do not distinguish the positive and negative power plugs when using the equipment. If the positive and negative are inconsistent or uneven, the sound of the equipment will become rougher.

　　The use of audio equipment taboo four: the wiring is not strong and unclean

　　The sound of the system is relatively dry and hard, which may be caused by poor contact, such as the plug is not firmly inserted, and it may be stained with dust or oil. G has pointed out to remind users that when using the equipment, they should check regularly to maintain the cleanliness of the equipment.

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How should a novice maintain the sound professionally?