Peluso built capsule CEK-12 Microphone Capsule for P-12 ,22 251 and vintage AKG C12  & C24 and AKG’s Telefunken ELA M 251 microphones.  This is a new capsule built to original specifications. The diaphragm has been skinned with 6 micron gold-Mylar. This capsule is designed for direct replacement in vintage microphones or can be used in DIY project microphones.  While we gladly supply components for DIY microphone projects, we do not offer advice on your microphone build.