Q.1
Choose which mix is which...

A B C D
In the box mix
i.t.b. mix ran through analog summing mixer
i.t.b. mix ran through console emulation plugin
i.t.b. mix ran through console emulation plugin AND summing mixer

In the box mix

i.t.b. mix ran through analog summing mixer

i.t.b. mix ran through console emulation plugin

i.t.b. mix ran through console emulation plugin AND summing mixer