The CU-29 Copperhead Tube Condenser Microphone from Telefunken is a part of their R-F-T line of coveted tube condenser microphones, and is a viable option for crucial recording of vocals and instruments. The CU-29 features a single-membrane version of the large diaphragm capsule used in the AR-51 and AK-47 Mk II microphones. The capsule reproduces audio with presence and detail. The Telefunken EF-95 vacuum tube output stage adds warmth and a wide frequency response. The microphone’s cardioid polar pattern controls off-axis feedback and noise.