The A-119 module should be good for this. It has a high gain input on a 1/4 jack, an adjustable gate and an envelope follower voltage for modulation.

Just tried a piezo with mine and it generates triggers.

Cheers,
John

> On 5 Apr 2017, at 05:16, Diego Ragnini diegora@... 1 < Doepfer_a100@yahoogroups.com > wrote:
>
> Hello,
> hope everything is fine to everybody
> Does anyone know if this kind of system might be used to trigger events on modular systems It is designed to trigger drum machines and/or drum pad systems which provide proper trigger inputs… Just wonder if the signal should be “treated” somehow in order to be detected by trigger/gate inputs on Doepfer modules. The A-177-2 probably wouldn’t be enough for the purpose…
>
> Best,
> Diego
>
>