I did not bother with a humbucking coil, and saw no need for a transformer, as neither of my M380's have transformers. I've had no problem with hum--but I only use it in my home studio, not for gigging. That can be a noisey electrical environment. After all these months since my last post, it has re...

In honor of the 1 year anniversary of the last post on this topic...Awhile back, I took a driver out of a pair of Beyer DT770 (250 ohm version) headphones and mounted into an old Sennheiser MD403 shell. Sounds berry berry close to both of my M380's. Close enough that I can use it any time I would us...