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Electronic circuit : 20W Audio Amplifier using LM1875

Electronic circuit : Active Bass & Tremble Controller

ACTIVE BASS TONE CONTROLLER circuit diagram is very useful (and has Best Quality) for 1 -100watt

Electronic circuit : Three Channel Audio Mixer

 

Electronic circuit :Infrared cordless Headphone Amplifier

Using this low cost Project one can reproduce AUDIO from TV without disturbing anyone. It does not use any wire between TV and HEADPHONE. In place of pair of wires it uses invisible Infrared light to transmit audio signals from TV to Headphone. 

Electronic circuit : 200W Audio Amplifier

This complete high quality, low noise mono audio power amplifier is based around the Hybrid Integrated Circuit STK4050 manufactured by Sanyo.

Electronic circuit : 5-Band Graphic Equalizer

 

Electronic circuit : 600W Audio Amplifier

  The circuit is based around {LM4702}manufactured by NATIONAL semiconductors&{MJ11029-MJ11028} by ON semiconductors It is a high fidelity audio power amplifier. Designed for demanding consumer and pro-audio applications.

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