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Preamp

A project log for 80W HiFi Audio Amplifer

Nice amplifier

PeroPero 06/14/2019 at 09:530 Comments

It was about the time to make a decent preamplifier for this audio amp. It's a two channel op amp circuit with in a non-inverting mode, with simple 1st order RC filters. Opamps have fixed gain of 6dB (Av=2) each, and the level is adjusted by simple potentiometer.

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