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Serge: Huge PWM with SSG

Posted: Mon Oct 07, 2019 8:24 pm
by luketeaford
This crowd probably knows this already, but it's not documented on the wizardry SSG site, so maybe it's worth some longer patch notes.

A Smooth/Stepped Generator can give you a variety of PWM that I really love for its garbled huge tone. Patch an input into the smooth side's IN. Patch from smooth CYCLE to stepped SAMPLE and adjust the smooth signal input so that the cycle triggers the sample input. Cycle the stepped side on itself with a patch cable or switch. Take the PWM output from the extra-loud-in-serge HOT output. The feedback of the stepped side controls the smoothness and the rate of the stepped side controls the rate of PWM (it's sort of like a free-running LFO for PWM except that the comparator is what's driving it).

OPTIONAL: Patch from stepped out into the smooth VC Rate input and attenuate to taste. This can create an even more dynamic sound and in some combinations it can sound like a whole lot of oscillators because of all the various interference patterns going on. I used the same technique in a drone patch a few days earlier somewhere else on my Instagram page.

Here's a video of it in action:

The video is the entire patch :tu:

Posted: Sat Oct 12, 2019 2:04 pm
by tardishead
Luke - please keep going! These are great
The serge stuff inspires so much individual interpretation
Truly the people’s synthesiser!

Posted: Tue Dec 10, 2019 2:30 am
by Biom
Indeed a great addition to an SSG wizardry! So much lies within this module.
Thank you for sharing!

Posted: Wed Dec 11, 2019 11:57 am
by mister_wavey
I'm attempting to get similar results with the Toppobrillo Sport Modulator in eurorack, which is inspired from the SSG.

I've made some progress by inferring how the two relate, but not had an exact match yet. I'm still learning the SM, and enjoying learning how/if this translates, but if anyone has more insight, I'd appreciate it.

Re: Serge: Huge PWM with SSG

Posted: Mon Dec 23, 2019 8:56 pm
by luketeaford
I think the Sport Modulator is similar to the SSG except that it might not go as fast and I think both sections can be switched on the SM-- so it operates in either smooth or stepped mode on each side. That's cool because a lot of times if you patch it up correctly but haven't exactly got the knobs lined up, it can be difficult to fine tune until you know the concepts driving how the SSG works.

I think Navs has made the definitive guide on the subject: Image :mrgreen: