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2x90W Stereo Tube Power Amplifier with EL34

This document is the manual of 2x90W Stereo Tube Power Amplifier with EL34, model K4040 by Velleman. The document in PDF version contain of schematic diagram, part list, component guide, step by step how to build the circuit. This circuit is for advance hobbysts… 🙂

60W Power Audio Amplifier based on TDA2052

60W Power Audio Amplifier Circuit using TDA2052

This is the 60W power audio amplifier circuit based on IC TDA2052. If you want to create an amplifier that is able to produce a good sound output with low distortion audio, then this amplifier could be the right option for you. This circuit using power supply split type with a maximum input voltage of… Read More »