25 Watts Amplifier Circuit Diagram. Tda2009 ic is a hi fi class ab stereo amplifier in a multi watt package. C4 and c5 used as decoupling filter capacitor.

It has better performance than the standard stk module amps that are used in practically every mass market stereo receiver manufactured today. Ttc5200 is npn transistor and tta1943 is pnp transistor. The tda2040 is amplifying the signal and providing 25watt rms wattage to the 4 ohms loudspeaker.

C1 and r1 are acting as a filter.

In this circuit we can use 10 transistors. It is a monolithic integrated circuit comes in pentawatt v package so it occupy less space in pcb and it can be used as a class ab amplifier tda2040 provides 25 w output power into 4ω loud speaker and it has low harmonic and cross over distortion to the amplified signal and. This is a 25 watt basic power amp that was designed to be relatively easy to build at a reasonable cost. 1000 watts amplifier circuit diagram pdf.