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Author Topic: How I integrate Ghost Hexpander to Orignal Prefined Fly Fishman PreAmp. CAD Pic  (Read 387 times)

Offline joedreamliner787

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Hi everyone,
    A while ago I wanted the function of midi from graphtech hexpander but wanted to retain my orignal Fishman electronics and preamp. Once I have completed the mod successfully I jumped into AutoCAD and did a quick drawing mockup. I hope this is some use to anyone!

NOTE not shown on my drawing the positive lead of the battery must have a diode in series with it. This stops the voltage from the 13-pin equipment from charging the battery if both are connected at once. The positive battery lead goes to the diode anode, and the diode cathode goes to the PWR pin on the pass-through connector. Any small-signal diode such as a 1N4148 or 1N914 or 1N4001 will work. The cathode is often marked with a bar.

« Last Edit: December 19, 2018, 07:39:51 PM by joedreamliner787 »