Keywords: indoor In this case the input transformer shown on the schematic is not needed as the MD421HL has one inside. This setup is extremely low noise and the low cut filter of the MD421 can be used to advantage for very close and loud information capture lanalogous to a macro lens in photography. In this case the input transformer shown on the schematic is not needed as the MD421HL has one inside. This setup is extremely low noise and the low cut filter of the MD421 can be used to advantage for very close and loud information capture lanalogous to a macro lens in photography. |