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Digitouch volume Control Schematic – TruEffect

Auto volume level circuit using TL082 Volume Control Schematic automatic volume control circuit for audio amplifier circuit using TL082

20W HiFi Power Amplifier Using TDA2040 circuit diagram

20W HiFi Power Amplifier Using TDA2040 circuit diagram This is a Hi-Fi power amplifier circuit build based on single power amplifier IC TDA2040. The single TDA2040 has able to deliver 20W power output. The bridge amplifier which consist of double TDA2040 can deliver 30W power output (8 ohm loudspeaker). 20W HiFi Power Amplifier Using TDA2040 […]

Audio Amplifier circuit using LA4446

Audio Amplifier circuit using LA4446 Here is a simple audio amplifier using IC LA4446

Alternating on/Off Control circuit

Alternating on/Off Control – This circuit using 2N3904, PMV65XP

Phono preamp circuit

Good Phono preamp circuit using BD437, BD438

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