Pro Audio Graph
what actually connects to what, and why
All gear

Opto microphones and phantom power

5 in the graph.

Golden Age Project Comp-2A
opto unverified
Golden Age Project Comp-3A
opto unverified
Golden Age Project Comp-3A Jr
opto unverified
IGS Audio Photon 500
opto unverified
Rupert Neve Designs 517 Mic Pre / DI / Comp
opto unverified