Use'em. Just don't expect much for the first couple of weeks. Don't sit in the listening chair expecting to hear something wonderful right away. Unless you are dealing with a deadline regarding a return option, just relax.
The biggest change will happen over the first 24 hours of play even though they will typically smooth out even more as time goes on. There are some easy methods for breaking in pairs (out of phase, placed face to face, and covered with a heavy blanket) but I don't know how you could acomplish something similar with that crew that you've got coming.
The biggest change will happen over the first 24 hours of play even though they will typically smooth out even more as time goes on. There are some easy methods for breaking in pairs (out of phase, placed face to face, and covered with a heavy blanket) but I don't know how you could acomplish something similar with that crew that you've got coming.