Searching for albums by Lustmord, Lull, New Risen Throne, Deathwalk, Svartsinn, Nordvargr (Pyrrula album), Vestigial, Inade, Apocryphos, Kammarheit/Cities Last Broadcast, all about the Cyclic Law and Cryo Chamber labels and also the "this is darkness" webzine (here you can find a very interesting topic just about the most personal equipments of various musicians of this genre).
If you mean myself stuff, there are not so much things because I was very discontinued for various personal issues and currently I no longer deal with music. Hope it will be useful for you. Best regards.
-- RossMotus669
You have a great taste in music! I would like to add: Council of Nine, Raison D'etre, beyond Sensory Experience, Desirerii Marginis, Musica Cthulhiana. A modular must for dark ambiant (in my opinion) is a spring reverb unit with a nice big tank!