A plus AB audio amplifier - booster

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04:00:14

An easy to make A+AB audio amp. The amplification is given by the two resistor [(330k / 110k) + 1] and then its droped by 1.2:1 between op amp and transistors. The op amp cant give much current so the transistors boost it. The transistors need to be matched pairs eg. TIP31/41 and TIP32/42. This is better suited as a small booster or pre-amp rather than a standalone audio amp.

published 9 years ago

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