When you say OTB mixing, are you talking about tape machine -> analog mixer or DAW -> analog mixer? I'm wondering because I don't see the Phoenix making anything about mixes done "in the box" sound more like a OTB mix. I mean, if you're talking about OTB with a 2'', then that makes more sense. This could probably be an entirely different thread, but the major difference between mixing entirely in a DAW and spreading the tracks out on a console is really about space and dimension. I think that plugs like these, when used on the mix buss, actually work against sounding more OTB. If you mix really, really hard (and really,really well) in the digital domain, you can get pretty close to it without using mix buss plugs and such. I don't think that most people will even know what I'm talking about, because it takes a lot of time in the studio, patience and attention to really make digital sound good. It comes a lot easier with analog.