I'm not an audio engineer, but I could sure use the help of one! Recently I helped my church purchase a little box called an AutoHybrid by JK Audio. It basically takes a balanced line-level output ...
I have a NADY SP-4C mic plugged into an ART Tube MP Studio preamp which, in turn, is plugged into my laptop's mic/line-in. All connected via 1/4" (laptop is 1/4" to 1/8", of course). The Tube MP does ...