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![Simple Dynamic Microphone 2 transistor Preamplifier Kit 9VDC [ Assembled kit ] | eBay](https://i.ebayimg.com/images/g/7CQAAOxy3yNTiLqQ/s-l1600.jpg "Simple Dynamic Microphone 2 transistor Preamplifier Kit 9VDC [ Assembled kit ] | eBay")
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