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Pre MIC mono by 2 Transistor C945

2016-05-08 18:28  
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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.

Circuit Pre MIC mono by 2 Transistor C945

PCB Pre MIC mono by 2 Transistor C945

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