I purchased a used 4017B and have had this horrible noise occur intermittently with it the 2 times I have used it (see attached wav file). Currently it is out for repair with DPA. They have found "something loose" in the mic but believe this artifact is "digital wireless interference". I'm doubtful of this explanation as our gear is the mic, a MixPre-3, and canare L-4e6s cables. One location was in a private home, the other a field on the outskirts of a rural town with nobody else collecting any media at either. The 2nd time we swapped the 4017b for a cs3e and had no more issues that day.
I love the sound except for this issue and would love to find a way to salvage the mic.
Any suggestions?
DPA Mic Issue Sample.wav