German manufacturer HORCH Audiogeräte is worldwide wellknown for their RM2J and RM3 Tube Mics and the FM2J FET Microphone | SonicWorld Audio Shop
Horch Audiogeräte RM3J MKII Set – Thomann France
The Horch RM3 Mark 2 is a large diaphragm tube microphone with continuously variable polar pattern and several very useful features | SonicWorld Audio Shop
Test: Horch MP NVR Mic Preamp, Mikrofonvorverstärker - AMAZONA.de
Horch Audiogeräte RM2J MKII Set – Thomann United States