By popular demand (ie one person) I made a video on the OSCar ground loop.
I've read more about these issues since making this video, and probably the cause of this ground hum is capacitance between the traces on the circuit board. I've also found a solution, which I talk about in part 5 of this series.
The Oxford Synthesizer Company OSCar is a nearly mythical monosynth used by Ultravox, Jean-Michel Jarre and many more, perhaps most famously it provided the synth bass line in "Do They Know It's Christmas?"
OSC manufactured less than a thousand of these, making them as rare as they are weird. This rarity, together with the unusual design, questionable build quality and the company's brief life means it is sometimes called "The DeLorean of Synths".
Repairing this one has taught me a lot about the OSCar, if you have one in need of repairs, do not hesitate to contact me for advice and help. It is NOT easy to repair, you need an expert.
4 окт 2024