” Korg Poly-61 vintage analog synthesizer with EU voltage, 220V, so external stepup converter 110v to 220v required for use in the US (this is the one I use). The sound from the device is great but there is an issue with some sticking/dead keys (see video linked below). I believe this is a common issue with old Korg synths and from what I have read is fixable though I have not attempted to repair it myself.” Click here to visit listing on eBay
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