Doepfer

Addition:
If you use the A-140 to "pitch shift" the oscillators there will be a 
drop when the sustain level is reached. you won´t notice if you use 
the eg for other things but it is rather dominant when used with 
pitch. (The 141 doesn´t do this -Dieter says). The work-around is to 
use the slew limiter as an Eg - if you do not have the 141

Keld