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Audio Power Amplifier: THD+N, SNR, Output Power Specs

Updated 18 May 2026

Contents & prerequisites

Prerequisites

Power Op-Amp (OPA549, LM3886): High-Voltage, High-Current

Unlocks

RF Power Amplifier (PA): Load Pull, PAE (Power Added Efficiency)

Article in preparation

Audio Power Amplifier: THD+N, SNR, Output Power Specs

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Learning

PreviousAudio Amplifier PCB Layout: Star Ground, Decoupling Strategy NextBalanced (Push-Pull) RF Amplifier with 180° Hybrids

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