by Y-my-R » Thu Mar 26, 2020 5:57 pm
Q: "Can you still use the gate, compressor and eq with the Probox?"
A: No. At least not the D8B's built-in dynamics/eq while operating the D8B in ProBox mode (you can use the dynamics/eq plug-ins that come with your DAW, though, and can to some extent control them via the D8B).
In ProBox mode, the D8B acts like 3 HUI controllers put together (or like 1 Mackie Control Universal and 2 Extenders). The D8B does exactly what these other control surfaces do when working in Probox mode. Nothing less, nothing more (...well... you do get to use the monitoring section on the D8B, still, because that part works like an analog mixer - HUI or Mackie Control surfaces do not have a monitoring section, so that's an "extra" feature that these other control surfaces don't have).
If your D8B boots up fully and works as a mixer by itself, then it's possible to add an external DB25 "serial switch-box", to allow the D8B to be used as a mixer, and with a flick of that switch as a control surface in ProBox mode - without disconnecting/reconnecting any wires.
It's possible to boot a D8B in mixer mode first, set all the levels and EQ/dynamics the way you want, and then switch over to Control Surface mode with such an external DB25-Serial-Switch. This way, the D8B keeps passing audio signals as a mixer, while you can use it as a Control Surface.
It has to be said, though, that it wasn't really designed to be used like this - (i.e. as a mixer AND a 25-fader control surface at the same time) - it's more of a hack/workaround. The result is, that some channels sometimes change their fader levels when switching, and it can sometimes take a few attempts, switching back and forth until the levels stay where they are.
Also, the meters might get stuck when switching from one mode to another via that external DB25 switch, when trying to use the D8B as a mixer AND with a ProBox at the same time. But overall it works for simultaneous mixer/probox operation, when adding such an external DB25 switchbox.
If you have a D8B that DOES NOT currently work as mixer (e.g. Error 43), then a Probox will allow you to use it as a control surface - and when using it just like that, the Probox is awesome! (But obviously, it then only works as a control surface, and not like a mixer with built-in FX).
But the Dynamics/EQ, etc. are part of the D8B's "mixer" functionality. So, that functionality doesn't come back when adding a Probox to an otherwise "dead" (or not bootable) D8B.
...basically, the short answer is "no", but if your D8B still boots as a mixer, you have some options.