Dynamic Microphone Preamplifier using C945 transistor

Posted on Feb 7, 2014

It use the three transistor (2SC945, or 2C1815 or 2SC828) is main Which typical transistor amplifier with a low noise this circuit, too. There are about 200-300 times the gain. The frequency response is 50Hz to 100KHz. 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

Dynamic Microphone Preamplifier using C945 transistor
Click here to download the full size of the above Circuit.

it very well for me, low cost, use transistor. I would recommend a CanaKit UK494 Dynamic Microphone Pre Amp (Assembled Module). It is a DIY Kits available for use. I hope this guide is helpful for you.

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