: While the stock cardioid dynamic element is highly rated for warmth, some operators replace it with alternative elements to further customise the audio profile.
Most connection issues happen at the plug. If you're building a patch cable or repairing the original, here is the standard 8-pin wiring color code for the MD-100: Typical Wire Color 2 3 DOWN (Scan) 4 FAST (Scan) 5 6 PTT (Push-to-Talk) 7 Mic Ground (Shield) Shield/Clear 8 2. Technical Schematics & Diagrams Yaesu Md 100 Schematic