Dynamic Microphone Preamp Schematic. We had divided the entire circuit into two different section for better description. Circuit depends on impedance of microphone and from the op amp mentioned will either be two stage amplifier or stereo.
An they is designed for use with 200 ohm dynamic microphones. One for line stereo one for microphone and has control of the three audio frequency high treble medium and low bass. This circuit use the 12 volts 24 volts dc power supply.
The circuit is an example of how a good preamplifier can be designed for dynamic microphones.
For usage with low impedance microphones. The circuit is basically a two stage discrete amplifier. Penfold published by babani. When we power a power supply into the circuit.