Circuit Lake » Audio Amplifier

300W Power amplifier, Bridged-Paralleled

admin — Sun, 26 Sep 2010 00:51:40 +0000

The project goal is to create 300W audio power amplifier for 4-ohm DIY speaker with low distortion based on IC LM3886. It’s hope that the amplifier can produce deep, tight and punchy bass while keeping the excellent mids and highs from other gain clones.The schematic uses LM3886 in the inverted configuration, the reason is [...]

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LeachAmp 200W Audio Amplifier

admin — Mon, 08 Jun 2009 00:54:42 +0000

This project will show you how to build DIY LeachAmp 200W Audio Amplifier. Pavel build this audio amplifier based on Marshall Leach project, that’s why the amplifier dubbed as The Leach Amp. This HiFi amplifier has a good parameters, enough power reserve and simple construction. This audio project has better output compared to integrated [...]

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Battery-Powered Audio Amplifier

admin — Wed, 20 May 2009 23:33:33 +0000

Ruby is an “enhanced” version battery-powered amplifier. The project use LM386 – Low Voltage Audio Power Amplifier as main part. Ruby has many shades of sparkly clean all the way up to a great, natural overdrive. The input buffer helps to retain treble detail going into the 386 chip. As you increase the Volume, you [...]

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