I have recently acquired a pair of Sonic Studios DSM-3 microphones. They belonged to a very famous English bootlegger who passed away at the beginning of 2018. This forum post was the only mention that I could find of them. He also had a pair of DSM-6 mikes, which I bought from him many years ago. I also have the glasses that he wore when recording concerts. Photos are attached. The material covering each microphone has largely perished (tried to show this in one of the photos), is there a recommened way of repairing them, and using what material please? I was initially a bit thrown by the recorder connector end of these mikes, with the big black rubberised connection. But on looking at the two jacks, one is for a mono signal and the other for stereo? As I have switched to solid stae recorders now, hopefully the stereo jack goes into a Sony PCM-M10 and will get its power from this recorder. Would be great to record a concert some time in honour of his memory.