https://oberheim.com/ https://www.youtube.com/watch?v=L1sN8AEjGXY https://www.youtube.com/watch?v=OajB5WUMa1M Alkuperäinen OB-X. https://www.youtube.com/watch?v=iDd4p6eJgQQ Stressin levyllä soi OB-X. https://www.youtube.com/watch?v=RByP88IqkG4
