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Audio circuit diagrams
June 22, 2010
The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840. [more]
June 22, 2010
This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s). The advantages for a guitar amplifier are the very simple circuitry,... [more]
June 22, 2010
This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s). [more]
June 22, 2010
This is a handy, easy to build general purpose 50 watt amp. The amp has an input for a radio, TV, stereo or other line level device. [more]
June 22, 2010
This circuit is of an 2x 2,500W RMS stereo amplifier, super-light and without switching-mode power supply [more]
June 22, 2010
This 3 channel 15 LED spectrum analyzer is the perfect addition to any audio amp project. It produces fantastic displays on three LED bars that can be individually adjusted for any particular frequency range. [more]
June 22, 2010
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. [more]
June 22, 2010
Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (dual gang for stereo) and a switch to cope with the various sources you need. [more]
June 22, 2010
The 22 watt amp is easy to build, and very inexpensive. The circuit can be used as a booster in a car audio system, an amp for satellite speakers in a surround sound or home... [more]
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