I guess you cannot hear the difference between the clips with laptop speakers. I'm still waiting for 1 or 2 more replies before I tell what the synths are. All I can say is that none of the clips are from the same synth. The results would have been clearer if I had used a sound with cutoff modulation, maybe resonance too or a certain kind of sound but I didn't have time to tweak the same sound with every synth so I just used basic waveforms and sweeped the filter without resonance. I know it's hard to tell from these clips but all the clips should sound different if you listen to them with hq headphones or monitors.
