Audio transformer function

The audio transformer can realize voltage converter conversion like a power transformer, and can also realize audio signal coupling. The main functions of audio transformers are as follows:
1. Output transformer: It is used in audio equipment and playback equipment to transform the impedance in the circuit.
2. Input transformer: The main function is when the sound signal is input, and it plays the role of impedance transformation in the circuit.

3. Inter-stage transformer: The common inter-stage transformer can harmonize the working units of all levels in the amplifier.
4. Line-to-line transformer: Line-to-line transformers are often used in cable broadcasting equipment. Because there are often many high-power amplifiers on the working unit of the cable broadcasting, and the line is long, the audio transmission over a long distance will cause the audio to be distorted.

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