Microtech Gefell UM 900 Tube Microphone | FrontEndAudio.com
Microtech Gefell UM 92.1 S Tube Microphone | FrontEndAudio.com
KMR Audio - Microtech Gefell GmbH UM900 valve mic with 5 polar patterns and Microtech's M7 capsule. This is a stellar mic for vocals and acoustic sources but often gets overlooked for
Microtech Gefell M 950 | RecordingHacks.com
Gefell M 92.1 S Cardioid Tube Condenser Microphone - Vintage King
Microtech Gefell CMV 563 - M 7 S Cardioid Tube Condenser 2111141