Computer Audio Booster

Published:2013/3/25 3:23:00 Author:Ecco | Keyword: Computer Audio Booster | From:SeekIC

Here is a simple amplifier for boosting the audio level from low-power sound cards or other audio sources driving small speakers like toys or small transistor radios. The circuit will deliver about 2 watts as shown. The parts are not critical and substitutions will usually work. The two 2.2 ohm resistors may be replaced with one 3.9 ohm resistor in either emitter.



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