Circuit pre MIC mono C945
This is low noise microphone preamplifier
circuit, by 2 Transistor mono part name C945 or C828 or 2SC829 or C458.
The supply volt is 12V – 24V. Easy to build and low cost.
I have an old microphone,I want to make play with common
amplifier. It does not sound much. Must to use pre amp before.I search a lot of circuits, see this circuits it very well for me,low cost, use transistor.