Audio Power Amplifier Circuit Diagram. Audio power amplifier circuit diagrams circuit schematics. In this tutorial i ll show you how to build a great sounding audio amplifier with the lm386 low voltage audio power amplifier i built about a dozen different audio amplifier circuits with the lm386 but most of them had way too much noise popping and other interference.
Some circuits would be illegal to operate in most countries and others are dangerous to construct and should not be attempted by the inexperienced. 4558 ic audio power amplifier circuit diagram. Tda7294 is a monolithic integrated circuit in multiwatt15 package with high output power up to 100w intended for tda2030 audio amplifier circuits p.
Pp el84 tube amplifier schematic ecc83 input 15 watts pp class ab1 pp el84 tube amp schematic with dynaco a 410 12ax7 or 6sl7 input 12 watts pp class ab1 6v6 beam power pentode.
Four electrolytic capacitors are used in this circuit. The circuit of this amplifier uses operational amplifier as the building block. This is a single channel audio amplifier circuit. In this circuit one ic 4558 and 4 power transistors are used with some discrete components.