Rode NTK Large Diaphragm Cardioid Tube Condenser MicrophoneNotes Some corrosion inside the capsule (pictured). Mic functions normally. A Rode NTK Large Diaphragm Cardioid Tube Condenser Microphone in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get so please check out the pictures! Everything we sell has