Come to think of it, when the weather changed from the cold outside to the warm inside, the board would be out of tune terribly until the unit actually warmed up. I had this problem last winter, but never in the summer.
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Live: Korg PA4X/EV Everse 8s/Senn 935/K&M stand
Studio: Korg PA4X/Yamaha DGX670/Nord 6D73/Boss BR900CD/Tascam DP24SD/MTM Iloud/Sony C80/AGK 214/ATEM Mini Pro switcher/K&M stand