LM317 Simple Audio Amplifier Circuits

You most likely know that LM317 IC is applied as an practical provide regulator, but did you know it can be applied as an audio amplifier? This is a Low power Amplifier LM317 Simple Audio Amplifier Circuit a audio  designed with LM317 that offers a optimum probable 1W audio strength. 
LM317 Simple Audio Amplifier Circuit Diagrams :
LM317 Simple Audio Amplifier Circuits
LM317 Simple Audio Amplifier Circuits

Utilization a amazing heatsink for the LM317 IC and modify the 5K various resistor so that you have 4.5V on 10Ω resistor (or LM317 pin 2, Vout).