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Class-A power amplifier project | Current-Drive - The Natural Way of Loudspeaker Operation
LM317 Audio Amplifier
40V Regulated Power Supply based TIP42A and LM317 - Power Supply Circuits
Class A audio amplifier using the LM317 voltage regulator IC - YouTube
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Preamplifier Board Audio Preamp NE5532 / LM4562 / OPA2604AQ Bass Treble Tone Conrtol LM317 LM337 Stereo Pre Amplifier
simple electronics: Simple Audio Amplifier using 317IC
Circuit Combines Power Supply and Audio Amplifier
LM317 voltage regulator: Pinout, CALCULATOR, and circuits
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Circuit combines power supply and audio amplifier - EDN
