--- In Doepfer_a100@yahoogroups.com , "allanjhall" <allanjhall@m...>
wrote:

>
> > Has anyone tried or owns any of the concussor percussion modules
> >
> > What approaches do some of you use for real analog kick, toms, hi-
> > hats, claves, cowbell, rim, snare, conga and the like
> >
> > I looked at the Vermona DRM unit, but it does not offer the same
> > degree of control over each sound as with modules. Also, I get to
> pay
> > for it's dedicated power supply, useless midi I/O, and extra for
> the
> > CV add-on.
>
> I've got all of the Concussor percussion modules and a Vermona

DRM1,

> the Concussor modules are exact clones of 808, 909 and CR-78
> circuitry, even down to using correct japanese transistors, but

they

> have a few extra mods and controls to increase the tonal ranges.
> There are two things to bear in mind though, the trigger pulse
> length can alter the sounds a bit, use 1ms pulse and they will

sound

> very near to Roland. Other thing is they run from +/- 12v supply
> rather than +/-15v that the 808 and 909 used, this has a slight
> bearing on the sound too, makes them seem a little bit softer to

me.

> The DRM1 can make some noises that the AS modules can't and they do
> complement each other quite well.
>
> I sequence these modules from my Schaltwerk sequencer, but the
> Schaltwerk needs some trigger outputs adding to work with them, the
> gate outs don't trigger successfully. My Schaltwerk trigger mod pcb
> and circuit is in the files area of Schaltwerk yahoogroup, this
> gives the correct 1ms long pulses that these modules work best with.
>
> cheers,
> Allan