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LM317 Audio Amplifier - ElectroSchematics.com

    https://www.electroschematics.com/lm317-audio-amplifier/
    LM317 Audio Amplifier. P. Marian. audio amplifier. LM317. You probably know that LM317 IC is used as an adjustable voltage regulator, but did you know it can be used as an audio amplifier? This is a class A audio amplifier built with LM317 that delivers a maximum 1W audio power. Use a good heatsink for the LM317 IC and adjust the 5K variable ...

Class A audio amplifier using the LM317 voltage …

    https://www.youtube.com/watch?v=FxHu5c4r89I
    More experimenting on the bench with audio amplifier circuits. This time I use the LM317 regulator IC to make an audio amplifier.Lots of cat interruptions!Pa...

LM317 amplifier | diyAudio

    https://www.diyaudio.com/community/threads/lm317-amplifier.80923/
    The LM317 amplfier is just a mini-project for fun. In addition, it does generate heat like a real class A amplifier. BTW, isn't the principle of the LM317 circuit similar to …

LM 317 as audio amplifier | Headphone Reviews and ...

    https://www.head-fi.org/threads/lm-317-as-audio-amplifier.222363/
    Has anyone tried using an LM317 as an audio amplifier? I've seen several schematics but never an actual device. National has a couple of schematics in the LM317 data sheet where the 317 is a current source and a LM195 or LM395 for an output transistor. I like the idea. The resulting amp is bullet proof. LM395T is $3.95.

Unconventional audio amplifier using lm317 - YouTube

    https://www.youtube.com/watch?v=2wEYdEEx178
    Just a short project to fill some time. The LM317 voltage regulator used as an amplifier. The thing was horribly inefficient, running at about a half of an a...

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