What are the main reasons why professional audio speaker units are easily damaged?
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- Issue Time
- Jun 3,2024
What are the main reasons why professional audio speaker units are easily damaged?
The main reasons why professional audio speaker units are prone to burning out can be summarized as follows:
Overload and over-power driving: This is the most common reason. When a speaker unit is subjected to a signal that exceeds its rated power, it can cause the voice coil to overheat and burn out. Overpowering may come from excessive volume, misuse of amplifiers, or improper use of amplifiers.
Poor heat management: Prolonged high-volume use can cause the voice coil temperature to rise. If heat dissipation is poor, the voice coil can overheat and burn out. Professional audio equipment typically has better heat dissipation systems in their design, but still needs to be used reasonably to avoid overheating.
Signal distortion: Distorted signals from the amplifier, especially clipping distortion, can cause the voice coil to carry excessive current, leading to heating and burning out. Clipping distortion generates high-frequency components, increasing the burden on the voice coil.
Improper audio settings: Incorrect audio settings, such as excessive equalizer settings, can cause certain frequency signals to be too strong, exceeding the speaker unit's capacity and leading to burning out.
Impedance mismatch: Mismatched impedance between the speaker and amplifier can reduce power transmission efficiency, potentially causing the voice coil to carry unnecessary high current and increasing the risk of burning out.
Improper use of audio crossovers: Improper use of crossover points at the input end of the speaker, unreasonable working frequency range for the speaker, and selecting crossover points with high frequency and low power can overload the speaker unit and easily lead to burning out. When using crossovers, the speaker's working frequency range should be strictly specified, and reasonable frequency points should be selected.
Mechanical failures: Damage to mechanical components of the speaker unit, such as the surround and diaphragm, can also cause abnormal operation of the voice coil and lead to burning out. These mechanical failures may be caused by fatigue from long-term use or severe physical impacts.
Environmental factors: Environmental factors such as humidity, dust, and high temperatures can also lead to damage to the speaker unit, especially affecting the normal operation of the voice coil and other electronic components.
To prevent speaker units from burning out, it is recommended to take the following measures:
▶Ensure that the power configuration of the audio system is reasonable to avoid overloading.
▶Regularly inspect and maintain audio equipment to ensure it is in good working condition.
▶Avoid prolonged high-volume use and ensure a good heat dissipation environment.
▶Use high-quality amplifiers and audio equipment to avoid signal distortion.
▶Ensure impedance matching between speakers and amplifiers.
▶Before use, understand the equipment's instructions and rated parameters, and set up the audio system reasonably.