Vintage Simmons Drums (UK) Users Group

Hello Jesper,
Thank a lot for these info and pictures about SDS2.......When I saw 
the voice board and you speak about a 8038 VCO I think that I know 
this schematic......A Diy article send to me by Michael Buchner one 
year ago.....
Here is the message I send to him immediately.
See you soon 
       Thierry EPPHERRE



Hello,
Long time no speaking with you........
Did you see Jesper's SDS2 pictures???????
When I saw these,I thought of the DIY article you send to me last 
year (Praxis  & Hobby) and I wanted to try one day......
I go to find these papers and yes........it is the same drum 
synth!!!!!!!!!!!!
I will send this message to Jesper now......
See you soon
     Thierry EPPHERRE