Yes, within a certain context… a wet dry wet rig is typically a center dry sound and then stereo left and right with effects. You have three cabinets, one head, and a stereo power amp. The center is usually the cabinet that’s powered by the head and then you take a line out off the head run that into a stereo effects processor and then the outputs of that into a stereo power amp and the outputs of that into two cabs: that’s your wet-dry-wet, your three sound sources.
If that’s too loud, then you’re going to want to attenuate the amp to get the level down to where it’s manageable and then you’d use the power station for that. At the same time, it also provides you a line out that you can send to your stereo effects processor and then to your power amp.
– Steve