Tuesday, July 20, 2010

60W Audio Amplifier with TDA2052

This is a schematic diagram of 60 Watt audio amplifier based on TDA2052:

60W Power Audio Amplifier with TDA2052 schematic diagram

The TDA2052 is a monolithic integrated circuit, intended for use as audio class AB amplifier in TV or Hi-Fi field application. With low distortion feature, the TDA2052 should be good enough for middle audio system.

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About Audio Amplifier
An audio amplifier is an electronic amplifier that amplifies low-power audio signals (signals composed primarily of frequencies between 20 - 20 000 Hz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain.

The preceding stages in such a chain are low power audio amplifiers which perform tasks like pre-amplification, equalization, tone control, mixing/effects, or audio sources like record players, CD players, and cassette players. Most audio amplifiers require these low-level inputs to adhere to line levels.

While the input signal to an audio amplifier may measure only a few hundred microwatts, its output may be tens, hundreds, or thousands of watts. More explanation about power audio amplifier can be found at wikipedia.org

This is a video tutorial about how to a very simple audio amplifier based on the LM386 amplifier chip. It can be built for less than $20 (or might be less than $8 in some countries) and used to amplify any low level audio signal including a guitar, bass or mp3 player.

Watch the video:

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