Sanken CU-51 Dual Diaphragm Cardioid Condenser MicrophoneOver 90 years of technological innovation and artist feedback have gone into the design of this unique microphone. No other manufacturer includes the features of the CU 51. What you hear in the studio is what you capture in the control room. The CU 51 offers a new dual capsule design pioneered by Sanken, providing an exacting cardioid pattern ideal for vocals and a wide range of musical applications. The CU 51 also has a very low proximity effect