Mic847 * 847fet using any 87 PCB.

I hope this thread will help those who want to build an 847 microphone, that is, a circuit with the 87 topology and the K47, 47flat, M7, etc. capsule. The circuit is slightly modified to be more flat, thus accommodating these capsules and obtaining the desired sound. Of course, an important role is also played by the acoustics in the vicinity of the capsule, we are talking here about the shape and dimensions of the headbasket, the characteristics of the grille/mesh, the body, etc., as... Read more