Repair department


Moog MG1

Roland SH-09


Moog MG1:

New Fader, fix VCO2:

Moog repaired by Klangbaukoeln

Moog repaired by Klangbaukoeln

workaround for defect divider IC (MM5823), to bring trigger for synth alive. Synth part is now working, Organ lost 7 tones. Looking for a MM5823.

Insiede Moog MG1 by KlangbauKöln

Inside Moog MG1 by KlangbauKöln

JH-09 Roland:

Reapaired an contionous LFO pitch shifting on VCO.


Mellotron M400 S

First secret picture of my electromechanical intrument. It is waiting for a small repair session. 40 year old and in good condition.

Melltron M400S / KlangbauKoeln

Melltron M400S / KlangbauKoeln

Melltron from Klangbaukoeln

Mellotron M400S-KlangbauKoeln.

Sounds are not original. It is a set of selfmade sounds for a soundtrack. Motor needs help for startup. CMC 10, motorcontroller, inspection.

Searching for schematic for CMC 10.




Is it an analog or a digital synthesizer? It is filled with hundert Logic IC.

NO Prozessor inside!

VCO1 is now running again.

Crumar_innen Crumar1


SH101 :

SH101 and SH 1oh1 Midi extension. Works fine and a lot of fun with all new features. Fix Bender, clean not working keys and replace VCF fader . It was not so hard as I suspected. Even to drill two big holes for Midi in SH body works without problems. If you what to spend your SH101 this SH1oh1 from ask me.

SH101 Prozessor removed

SH101 Prozessor removed

Sometimes I will be aksed to repair or modify

real analog devices like drum maschine or synthmodules etc.

Please feel free to ask me.

Korg KR 55

Korg KR 55 repaired KlangbauKöln

Pittburgh, Synth Block:



OB 12:


Roland ACE