The speakers are very popular and widely used. They are in every home. But the speakers very often make a poor-quality sound or do not publish it at all. There are different types of damage, and some of them can be easily identified and fixed.
1
To check the speaker inspect it. Corps, cord, corrugation, diffuser and other parts of the dynamics must be integer, without damage and defects. If there is damage, the speaker will not work or will function well. If there is no visible damage, but extraneous sounds (marriage, cracking, no sound), you need to check the defects of contacts - we connect to the miggles of the ohmmeter and move with a fixed diffuser contacts. If the device arrow moves, the wires are damaged. In this case, you need to replace the wires. I turn over and twist speaker. If extraneous sounds and a knock are heard, part of the coil's turns fell off from the sleeve or everything. This can be fixed, rewinding the coil.
2
We pay attention to the sound coil - wrapped in the form of a ring. It is inside the dynamics. The sound coil must be smoothly wound, without breaks and defects. If there are breaks and defects, you should replace the coil. If the winding is neakkurat, then you can rewind it. You need to listen to some familiar songs. When listening, we draw your attention to the volume (maximum and minimal), the quality and transition of the sound.
3
Check the speaker for the presence of garbage - twist the diffuser. If there is a grinding, root, cod, then near the magnetic clearance there are pollution with garbage, most likely the metal that needs to be deleted. If you scroll difficult, the coil has shifted or jammed the sleeve. If it does not move at all, Kern shifted and jammed the coil and the sleeve. It is necessary to disassemble and correctly set all the details into place.
4
Checking the speakers using instruments: multimeters (cartoon, tester), ohmmeter, or resistance measurement instrument. On average, the polyphonic dynamics resistance is 8 ohms, and the auditory is 30 ohms. In my email mode, the multi-member resistance. Resistance must be. If not, there may be damaged wires. If the wires are integers, then it is possible to break into the coil. Conductors or coil must be replaced.
5
We take a multimeter, put a signpost on a call, apply the probe to the contacts and check the readings. If the indicators are greater than 0 - the sound coil is a whole. If the cartoon shows 1 - there is a cliff on the sound coil (we change the coil to the whole). Check the speaker at different frequencies. We turn on the generator (swinging frequency mode or manually change the frequency) and control the coil. Infusion frequencies check the problems of gluing diffuser and corrugations. Gently press the corrugation waves and setting out the details. If there are defects, we replace the old details new. If there are gluing problems, then check it, correct defects or changing the items.
With the help of these simple and simple procedures, you can check the speaker status. For better information perception, look at the video.
The video is extremely ugly, you better not to take for this camera "walks" where it fell, the sound - the full sucks - you are doing for people, it means that a clear dictation should be not releasing that not a single letter to understand, well, only if it For yourself, so as not to forget - do not bother but what you do not know how.
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The video is extremely ugly, you better not to take for this camera "walks" where it fell, the sound - the full sucks - you are doing for people, it means that a clear dictation should be not releasing that not a single letter to understand, well, only if it For yourself, so as not to forget - do not bother but what you do not know how.