This is a HiFi pre-amplifier circuit diagram with low noise output. Very wide range frequency from about 10Hz until up to 100Khz? will be gained […]


This 4W Audio Amplifier circuit is powered by 2 pieces of transistor TIP41. The circuit is very simple and incorporates darlington output transistors that will […]

Here is the circuit diagram of the classic 5W Tube Amplifier with EL84 as the final amplification component. This is a single channel amplifier (mono) […]

Building a crossover for your speaker system is easy. Here the simple passive schematic diagram of audio crossover: Loudspeaker System Crossover Network Notes: Capacitor must […]

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