[sdiy] Looking for: AK Drummer (CRM-260) schematic

David Huss dh at atoav.com
Mon Nov 24 11:52:50 CET 2025


Hi,

I have a AK Drummer (CRM-260) Rhythm Machine and I am looking for a 
schematic.

I searched the web high and low. I figured out that this was also sold 
under the names Conrad CRM‑260 or CORT CRM-260 in what seems to be 
identical devices (apart from the different manufacturer logo).

I found a 10 year old youtube video 
<https://www.youtube.com/watch?v=9z71-mFVPcs> where someone has moded 
the thing, but there is no description and in a comment from 5 years 
ago  they say the documentation has been lost.

Does anyone know a thing?

All the best,

David/atoav
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