This circuit is suitable for low impedance m icrophones. Gain is given by the 2M2 resistor. This component can be changed according the desired gain. Current drain is very low and output cable must be shielded.
![](/images/sampledata/cb/cb858_0001.png)
This circuit is suitable for low impedance m icrophones. Gain is given by the 2M2 resistor. This component can be changed according the desired gain. Current drain is very low and output cable must be shielded.