SU-7P

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Amplifiers are electronic devices used either to increase the voltage, current or power in an electrical signal. They are used in almost all sorts of applications; from radio receivers to complex audio systems with loudspeakers. Among the different types of amplifiers, the SU-7P stands out as one of the popular choices. This article will discuss the SU-7P’s application field, as well as its working principle.

Application Field of the SU-7P

The SU-7P amplifier is a type of audio amplifier frequently used in home and car audio systems. Its design is optimised for high signal-to-noise ratio, low distortion, and high stability, making it perfect for a wide range of applications. It can be used as a direct replacement for other types of amplifiers, such as the class B or class A type, and can even be used in bridge mode or in stereo configurations. The SU-7P is an ideal choice for audio systems of all types, as it provides a quality sound without the need for additional components. It is also perfect for powering subwoofers and speakers with high power ratings.

Working Principle of the SU-7P

The SU-7P is a Class-AB type of amplifier and uses a type of differential amplifier configuration to achieve its high quality sound. This type of configuration allows for greater linearity and headroom, while reducing noise and distortion. The basic principle of the SU-7P amplifier is as follows: the input signal is first converted to a differential signal, and then amplified by two separate complementary transistors. The two outputs are then combined into the single output signal, and the gain is regulated by the voltage supplied to the base of the transistors.

The SU-7P also has a unique feature called an “hybrid bias circuit”, which is used to increase the efficiency of the amplifier. This circuit essentially adjusts the quiescent current of the two transistors, allowing it to be more efficient during operation. The SU-7P is an ideal choice for use in car audio systems, as it is capable of delivering high power while still maintaining a low level of distortion.

Conclusion

The SU-7P is one of the popular types of audio amplifiers, due to its high performance and low distortion levels. It is ideal for home and car audio systems, as well as for a wide variety of other applications. Thanks to its hybrid bias circuit, it is also very efficient, making it a great choice for both quality sound and long-lasting power.

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