Circuit Diagram Of Audio Amplifier Of 12v. Actually any opamp with matching power supply ratings can be used instead of tl081 transistors q1 and q2 tip125 and tip120 comprises the power amplifier stage. Check out the tea2025 datasheet for more information on that.
Lm3876 is a high performance audio power amplifier ic from national semiconductors. 2w 2w stereo using 3 lm386 here is an lm386 stereo audio amplifier circuit 2 watts. Such an amplifier is very suitable for car audio applications.
Simple audio amplifier circuit diagram using transistor d718 ic tda 2030make a 12v amplifier for the speakers12v or 14v.
Then pin 6 12 and 17 are connected to a negative voltage there are two capacitors c7 c8 serves as eliminating interference and power backup for ic1 respectively. Many people also use it. Simple audio amplifier circuit diagram using transistor d718 ic tda 2030make a 12v amplifier for the speakers12v or 14v. A simple high quality audio power amplifier that can be operated from 12v dc is shown below.