20 watt audio amplifier circuit diagram. This stereo amplifier circuit diagram is cheap and simple. This amplifier circuit can deliver 150 watt rms. Let me show you. See how each part of the circuit works how to calculate the best component values and how to layout the pcb and wire your amplifier for great sound.
This amp can be used as a simple booster the heart of a more complicated amplifier or used as a guitar amp. It is probably the one of the easiest audio amplifiers to build. Audio amplifiers are being used for decades. This is the circuit design of 1000w stereo audio amplifierit is a very good design to assemble easy to build from your board to the acquisition of components the output transistors are the complementar 2sc5200 and 2sa1943 relatively cheap and with very good result.
100 watt sub woofer amplifier working and circuit diagram with parts list. This is a very useful and simple circuit diagram for amplifying weak signal from a capacitive condenser microphoneyou can use this circuit for sound sensing applications and some automatic robotic sensorswe have already posted an efficient audio amplifier circuit using 1895 ic it is somewhat complicated and is suitable for very sensitive applications. 50 watt power mosfet amplifier circuit diagram gallery of electronic circuits and projects providing lot of diy circuit diagrams robotics microcontroller projects electronic development tools. The frequency range of audio signals is between 20hz and 20000hz.
Here is the schematic for an 8 watt audio amp.