Thiele M4 Tube Condenser Microphone built in Germany in the 1960's with an original M7 capsule
People relate this microphone to a Neumann U47 in some ways. This microphone has had some modifications which are known to be desirable and improves the sound.
-Removed internal power supply to eliminate noise and added custom external power supply
-Upgraded transformer and tube
-I have all the original parts