Microtech Gefell M930 Large Diaphragm Cardioid Condenser Microphone | Reverb
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 Buyer's Guide - Gefell Microphones - Vintage King
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Microtech Gefell M 930 Ts-Stereo-ORTF Matched Pair Of Studio Microphones With Double-Mount | Full Compass Systems