Mic preamp module for a poor man's digital mixer
History: Behringer's XR12 and XR16 are a very powerful and cheap digital mixers, but don't have enough mic preamps for some applications.
This project allows you to get the full performance of this mixers on live and studio applications.
Desireable features:
- Combo entrada de micrófono con jack. jack hi-z
- 2x salida balanceada
- Control de la ganancia preciso y repetible. Control de ganancia con stepped o con potenciómetro digital + pantalla.
- HPF 80-100Hz
- Alimentación phantom (DC-DC/a baterías)