Four main functions of audio transformers

The audio transformer can implement voltage converter conversion like a power transformer, as well as audio signal coupling. There are four main functions of audio transformers:
Output Transformer: Used in audio equipment and playback equipment, it acts as an impedance converter in the circuit.
Input Transformer: The main function occurs when the sound signal is input, and acts as an impedance change in the circuit.
Interstage transformers: Common interstage transformers enable the coordination of all levels of work in the amplifier.
Line-to-line transformers: Line-to-line transformers are commonly used in cable broadcast equipment. Due to the large number of high-power amplifiers on the working group of cable broadcasting, and the long line, the long-distance transmission of audio will make the audio distortion.

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