The Mackie TH12A (12″ driver) and Mackie TH15A (15″ driver) are best suited to monitor speakers rather that main stage speakers. All Mackie TH12’s & TH15’s going through our workshops have revisions done to the assemblies including replacing the headers to a superior component, the firmware updated and the Low Frequency Driver replaced (TH12A Only) with one that is designed to handle the RMS power – typically 155W rms. Having seen many of these in for repair means we know how to get these working as they should, and how to get the most from these speakers.
So what do we do?
As a result of the modifications above this will bring the THUMP back to the TH12A and Th15A, making them a more reliable unit.