Are we going to see a Dumble bluesmaster pcb anytime soon it only requires a few alterations from the 102 or 183 and adding od tonestack i have made one from the 102 pcb and it is doable but would be much cleaner with a designated board. PLEASE
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The Bluesmaster and ODS HRM schematics are essentially the same. The main differences are in the tone stack and the PI. I think if you compare the schematics you'll see, and youll be able to find the different component values.