![]() ![]() So the 74LS151 got replaced with a new one and suddenly things started to interact as it supposed to. I found nothing wrong with the guitars harware and measuring indicated that U7 (string monitor) was defect. Second thing was that the guitars electroninc always had the high E string set as active, therefore the Ampeg pedals Gate got blocked. After sorting that out the synth now seems to work properly. There’s eleven pots and a few switches and I had got some wires mixed. Once I finally got things hooked up together and could try it out it was clear that it is not fully functional.įirst thing I did was check was the offboard wiring on the microcon. Here’s a picture of both the synth and the ampeg pedal together. It has by now got new electrolytic capacitors and a calibration. Worth knowing is that synthcubes “full kit” did not include the powersupply.Ī gutshot of the Ampeg pedal. The offboard wiring is a challenge on this thing. Synthcube carries a full kit for the build.Here’s the circuitboard, started to get populated. So what’s needed from me is to build the syntheziser. It’s got three controls, Pitch, glide and 5 th. The interface between the guitar and the synth is an Ampeg Patch2000 pedal. It is the first guitar/synthesizer hybrid made by Hagström in collaboration with Ampeg. ![]() ![]() The guitar is Hagström Patch2000 from the late 1970:s. A both intresting and a challenging project. ![]()
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