Vintage Yamaha midi keyboard. Missing PSU I think it was 9V or 12V, center tip positive.
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Haven't used it since 2021 and lost the power supply as well as the sustain peddle.
Does not make noise on its own, needs a computer to connect it too. I use to use it with sound founds to give me tens of thousands of real sounding instruments.
Taking up space and I want it gone.