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Troubleshooting Method for Excessive Sound of Speaker Current in Conference System.Conference room a

source:Industry News release time:2023-04-11 Hits:     Popular:Brand bar audio wholesale

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  When many conference system engineers are installing and debugging project projects, someone often reflects the problem that there is current sound in the conference room speakers. Generally, the conference system power supply and LED lighting power supply are in the same circuit, and no abnormality occurs after the installation and commissioning of the public address system equipment is completed. After turning on the LED lighting, it is found that the current sound of the speaker is too loud, and the sound sources (wireless microphone, audio processor, control panel, video conference terminal, laptop) are checked one by one without success.

  There are several reasons for this:

  1. The power supply of your audio equipment is not clean. It shares a group of power supplies with high-power equipment such as lamps and air conditioners. The lamps are all equipped with ballasts, which cause current interference after they are turned on. This is electrical noise.

  2. I don't know if you have a wall plug to wait for audio signals to arrive at the mixer. If so, it may be that the audio signal cable is not threaded and has gone with the strong current, causing interference.

  Troubleshooting method

  1. According to your description, it should not be the local noise of the audio device itself, which can be ruled out.

  2. Because this problem occurs after you turn on the light, it is probably a power supply problem. You can replace the power supply, for example, directly replace a group of power supplies. Now the conference room will be divided into several power supplies. You can try to find the power supply with no or very low noise.


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