This is a circuit that appears several times in this section and in articles. It is a preamplifier for low impedance microphones. The transistor can be any general purpose NPN.
![](/images/stories/cir/212212222023_131922_0001.gif)
This is a circuit that appears several times in this section and in articles. It is a preamplifier for low impedance microphones. The transistor can be any general purpose NPN.