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Fasizi HIFI amplificador audio OPA2604+AD827 OPAMP 5532 LM337 LM317 Preamp Pre-amplifier Volume Tone Control Board: Amazon.co.uk: Electronics & Photo
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![Simple Voltage Regulators Part 1: Noise - [English]](https://www.tnt-audio.com/gif/schem_lm317.gif "Simple Voltage Regulators Part 1: Noise - [English]")
Simple Voltage Regulators Part 1: Noise - [English]
LM317 Mini Power Amplifier Circuit - Electronic Circuit
Elektor's LM317 Class "A" amplifier | diyAudio
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