Our previous article in the Harmonica Microphones series mentioned impedance. Here we describe not so much what it is, but what it means to harp players wielding microphones.
The microphones we are talking about in this series of articles are referred to as either “high impedance” or “low impedance.” In general, a vintage bullet mic is a high impedance device and a modern vocal mic is a low impedance one. This is not always the case, however. (more…)