Rework the TH-12A or TH-15A to the new version with analogue inputs PART : 2042765-01 TH-12A ASP KIT 220-240V PART : 2042765-03 TH-15A ASP KIT 220-240V Kit contains : PCB ASSY THUMP ASP INPUT BOARDS (2 boards will delivered that need to be mount together) 2 Cables ASSY XLR Input board for TH-15A and TH12A RES 1/4W PCB ASSY EMC TH15A ASSY THUMP-PWR ASP-DRIVE 240V Mounting material Remove the old digital I/O and EQ Board Keep screws and spacers you need these to mount the new boards. Mount the two boards part 2040129-01 as on the picture below and use part 0013708-005 to connect the 2 boards. Use screws and spacers from the old boards or use the one supplied with the kit. Be sure to isolate the two heat sinks from the chassis as these have not the ground voltage! Use the two isolation pad that you find in the kit and place as in picture below. Place a rubber or isolation pad as shown on this picture. Amplifier and power supply. The amplifier and power supply is delivered fully assembled and need no modifications. Remove the old power/amp module and mount the new one again the chassis. Use the original screws. Mount the cables to PSU and Amplifier module as in the picture below. When everything is assembled and connected your module will look at the picture below. Perform check and final test from the product.