[sdiy] Doepfer E510 Keyboard Scanner

[Ingo Debus]

> Am 06.02.2019 um 15:58 schrieb Michael Zacherl <sdiy-mz01 at blauwurf.info>:
> 
> Dr. Böhm was one of my first encounters with electronic sound generation back then.

Same here. A small book „Elektronische Orgeln und ihr Selbstbau“….still have it.

Ingo