Stereo OTL Audio Amplifier

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The following diagram is the circuit of Stereo OTL Audio Amplifier. It based on IC circuit, so the circuit looks simple. You can use IC LM379,LM377,LM378 for this amplifier project.

2x6W Stereo OTL Audio Amplifier circuit diagram


Refer to the table, maximum voltage supply for IC LM379 is 28V, it will will deliver 4W/channel. For LM377, maximum Vcc voltage is 18V single supply and delivers about 2W/channel. While for LM378, use maximum 24V regulated DC power supply and you will get 3W hifi audio power per channel.

Use heatsink on the IC to prevent overheating.


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