Doepfer

If youre into Synth-DIY, Ken Stone (CGS Synth) has some interesting 
percussion synth modules that you can build...

/A
>
> yes specific drum modules are already available. a drum module 
similar
> to the nord modular drum synth would be nice. an oscillator, a noise
> source with multi mode filter and some decay envelopes and vca's in
> one module would be perfect. 
> 
> oliver
> http://www.namshub.ch/