Korg Mono/Poly MP-4 Effects Pedals Internal surfaces are very clean

Internal surfaces are very clean with no major oxidation

used on many great recordings

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Korg Mono/Poly MP-4 Effects Pedals Internal surfaces are very cleanSuperb Korg Mono Poly MP 4 for sale in exceptional cosmetic condition and perfect working order, freshly serviced. In exceptionally clean condition for its age with only very minor scuffs and smudges consistent with an extremely well preserved and little used 35 year old synth. Overall it is a superb example the face is about as clean as we've ever seen and the knobs and buttons look and feel like they've barely been used. There are a few small dings