Simmonizer – SDS3 clone

With only 100-200 units built, the SDS3 is one of the most sought-after drum synths. It is very hard to find a reliable working unit. After I got mine I forwarded it to Michael Buchner to let him do some repairs on it and to give him the opportunity to study and draw the (real) schematics. Obviously the original schematics had some errors. One of Michaels following projects was a one channel clone of SDS3. In early 2009 I had the pleasure to check a prototype which was more or less only a ball of wire, but it worked perfect and sounded like 100% SDS3.

In the following period Michael completed the project with a perfect board layout, perfect chassis and perfect design.

The target of this project was more or less fun. But short time later the German synth manufacturer Touched-By-Sound started to develop their own 5 channel clone. Michael shared his board layouts and during the 2011 Frankfurt music fair the Simmonizer SDS3 clone was shown for the first time.

I had the opportunity to check it although at this stage it is still a prototype. The Simmonizer provides 5 channels: 3 drum channels, one Hihat and an FX channel, for example for a crash sound. It can be triggered with midi or with pads. The filters and sound were pretty mouch SDS3 (that should be the minimum requirement of an SDS3 clone 🙂 ). Still it has some errors which are quite funny. For example if you turn the noise/tone to “tone”, you get the noise and vice versa. The filters did not work very well. To be honest: Regarding the simplicity and the fact that I have seen a perfect working clone at Michael’s, I would have expected more, particularly if you think about the price which is targeted 1599 Euro. Not really pocket money and even more than the most expensive original I have seen on Ebay in the past. Hopefully

3 Responses to “Simmonizer – SDS3 clone”

  1. Synthfactory says:

    What’s about a SDS 3 Module for the SDS 5.

  2. tom says:

    How much had the originals gone for on ebay, if you don’t mind me asking. I’ve got an SDS3 which I’ve been considering selling for a while now. Still undecided though.

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