Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

Not sure how to choose audio capacitors? Just look here | Focus on mid-to-high-end brand capacitor manufacturers

by:Shenmao     2021-06-29
Are you still wondering about the choice of capacitors in audio circuits today? Then I will introduce the four major capacitors in common audio circuits ① coupling ② frequency division ③ bypass ④ filter capacitor, etc. In fact, choosing different types of capacitors in different circuits has a greater impact on the improvement of audio quality. Four commonly used capacitors in audio circuits: ①Coupling capacitor The capacity of the coupling capacitor is generally between 0.1μF and 1μF. From the material effect, you can choose to use mica, acrylic, ceramic and other low-loss capacitors for better sound quality. ②The preamplifier and frequency divider use the capacitors used in the frequency dividing capacitor preamplifier, audio controller, and frequency divider. The capacity is between 100pF and 0.1μF, and the speaker frequency division LC network generally uses 1UF to 10UF. CBB capacitors are mostly used in high-end frequency dividers. Mica and styrene capacitors should be used when the capacity is small. The capacitors used in the LC network have a large capacity, and metallized plastic films or non-polar electrolytic capacitors should be used. Among them, inorganic electrolytic capacitors can obtain excellent sound quality if they are non-etched. ③The larger the filter capacitor, the smaller the impedance (if the capacitor is a pure capacitor), and the higher the passing frequency. If the filter capacitor is compared to a 'pond'. Since the voltage at both ends of the capacitor does not change suddenly, the higher the signal frequency, the greater the attenuation. It can be vividly said that the capacitor is like a pond and will not change the amount of water due to the addition or evaporation of a few drops of water. It converts changes in voltage into changes in current. The higher the frequency, the greater the peak current, thus buffering the voltage. Filtering is the process of charging and discharging. ④ Bypass Bypass capacitor is an energy storage device that provides energy for local devices. It can make the output of the voltage stabilizer uniform and reduce the load demand. Just like a small rechargeable battery, the bypass capacitor can be charged and discharged to the device. In order to minimize the impedance, the bypass capacitor should be as close as possible to the power supply pin and ground pin of the load device. This can well prevent the ground potential rise and noise caused by the input value being too large. The ground bounce is the voltage drop at the ground connection when a large current burr passes. JMX brand capacitors have provided high-quality high-end capacitors to thousands of customers for nearly 20 years. JMX brand capacitors have become one of China’s most high-quality and honest capacitor suppliers. Sincerely welcome friends from all walks of life to visit Shenmao capacitor factory for guidance and business negotiation. The above audio capacitor selection introduction hope to help you
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