Free circuit schematics - wiparat.com

TDA2052 is a AB class amplifier which operates with (+,-25V) supply and generates 60 Watt power (sound) output. Since it has very low distortion and it is a AB class amplifier, it can be used in HI-FI systems. TDA2052 has mute and st-by funcitons so it can be controlled by external digital circuits. Very high [...]

This is a practical, easy to build general purpose 50 watt amp. The amplifier has input for radio, TV, stereo or other line-level devices. It also has a phono input for turntables, guitar, microphone or other non-amplified source. With the addition of a low pass filter input is a great amp for a small subwoofer.
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