MPG-7X Programmer for MKS-70/SJX/JX8P Synthesizers - B-Stock Unit Memory Expansion:No Mem Exp (+$0) Gear mounted in the RETRAKT

Gear mounted in the RETRAKT should not protrude beyond the back of the base

hands-on control without the limitations of vintage hardware

compact controller for Roland JX-8P

Here's some video footage of the patch generator in action

02 Operating System Update File (April 2025)

MPG-7X Programmer for MKS-70/SJX/JX8P Synthesizers - B-Stock Unit Memory Expansion:No Mem Exp (+$0) Gear mounted in the RETRAKTThis MPG 7X has a slight imperfection on the blue silkscreen layer on the panel. There is a small approximately 1cm scratch in the blue paint above the VCF. We are offering it at a $100 discount because the panel is not "perfect". Latest firware (1. 03) To load firmware, boot up, and with the USB cable connected to PC, press ASSIGN & MIDI. This opens bootloader dialog. Hit ENTER, then when the 7X shows up as a device on PC, drag this file over to it.