Cassette Preamplifier circuit using BC109 transistor
Simple pre-amplifier using BC547 transistors
Simple Preamplifier Circuit using BC548 Transistors
These are 4 simple preamplifier circuit using transistors. It has a very low noise and easy to builds. We have many circuits below, simple(one transistor) to a difference (3 transistors) projects. For beginner SEE More!