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Dynamic microphone Amplifier for earphones

I decided to make this circuit so that I could listen to faint noises. It is a simple two-stage transistor amplifier design. The circuit was designed to use the input from a dynamic microphone but I am sure that with some modifications it would be possible to use an electret microphone. The 2N3053 transistors used in the design don’t have a particularly high gain so other types could probably be used as long as they are NPN.
source: eleccircuit.com



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  1. Unknown10/19/2021 03:39:00 AM

    You did an excellent job on this post!
    Audio Amplifier is the basic element for all the music systems present in the market. This circuitry is used to hear super clear music from the music systems. The rechargeable mini audio amplifier is a mini version of such amplifier systems. This is easy to connect by Bluetooth with any device.

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