15W audio Amplifier (using 3 transistors)

Posted by Ilias-Man On Monday, February 6, 2012 6 comments
This is a 15W audio amplifier using 3 transistors.

The gain of the circuit is approximately 40DB (X90, Vcc=12V)
The distortion 0.1-10%.
Use 4Ω or 8Ω.



Unknown said...

sound producing is good but noise generating

Unknown said...

Hi guys,
If you are beginner and want to build your own amplifier circuit then visit this link to watch this video and have your complete kit for building your great tda2030a / tda2050 based stereo amplifier.


Anna Schafer said...

sound producing is good but noise generating. speech recognition software

Unknown said...

how is the speaker connected (polarity)

Unknown said...

nice good amp

Joseph Jacob said...

how many walt

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