From Michael E Caloroso Sent Fri, Jul 20th 2018, 13:51
From Michael E Caloroso Sent Fri, Jul 20th 2018, 13:51
Oh yeah, and slightly mismatched decay rates between voice cards doesn't hurt either :) On 7/20/18, Michael E Caloroso <xxx.xxxxxxxxxxx@xxxxx.xxx> wrote: > We got video: > > https://www.facebook.com/michael.caloroso/posts/1056229534539466?comment_id=1056412544521165¬if_id=1532078929210645¬if_t=feed_comment&ref=notif > > Actually I did not use cross mod or hard sync. Just ramp waveforms > (VCO2 at half level) with resonance and EG modulation at full, with > unison turned on. > > The key is those SVF filters and full EG modulation - little known > secret is that the modulation depth isn't identical between voice > cards due to imperfections in the circuit. With greater modulation > depth, VCF Cutoff is going to vary between voices. But that > "imperfection" is the key to the sound. By pushing EG modulation to > max, you're exploiting the imperfection because as the EG is decaying, > the VCF cutoff of all those voices firing in unison go from very > different to closer. That's how that "grind" is created - badly > matched cutoffs sweeping, then as it decays to sustain level the > cutoffs are now closer. > > Then the patch is just fine tuning sustain level and VCF cutoff until > it is "just right". No doubt that some distortion in the 3080s is > also adding some dirt to the sound. > > I've been chasing "that sound" for years. It wasn't until I got the > OB-X that I realized how the "imperfections" were a big contributor. > Every other synth was "too perfect". I used to use VCO2 FMing VCF > cutoff on the Memorymoog but never got it right. Only the OBX or a > SEM polysynth (albeit a bit more work) can pull this off. > > That sound was a factory preset for the pinstripe version of the OBSX, > but never the OBX. But the OBSX preset doesn't work because the VCF > is swept on release NOT decay. > > Sent from my iSoundDesignLibrary, > MC > > On 7/19/18, Andrew Scheidler <xxxxxxxx@xxxxx.xxx> wrote: >> IIRC, it's one of the original 32 presets. Basically the envelope sweeps >> VCO2 pitch down with Cross-Mod (between the VCOs) turned on. Pretty sure >> the VCF is swept down along with the VCO, along with a fair bit of >> resonance. And it's in unison so all eight voices are playing, albeit >> each >> slightly different. I've never come across another synth that can nail >> the >> sound. >> >> Drew >> >> On Thursday, July 19, 2018, Jason Proctor <xxxxx@xxxxxxx.xxx> wrote: >> >>> hey Mike, can you post the patch? :-) >>> >>> >>> >>> On Thu, Jul 19, 2018 at 12:07 PM, Andrew Scheidler <xxxxxxxx@xxxxx.xxx> >>> wrote: >>> >>>> Having played that patch on MC's OB-X, I can assure you that it is the >>>> exact monsterous unison cross-mod sound that poured out of the PA when >>>> Geddy played it :-) There is nothing else that comes close. >>>> >>>> Drew >>>> >>>> >>>> On Thursday, July 19, 2018, Jason Proctor <xxxxx@xxxxxxx.xxx> wrote: >>>> >>>>> that's the one >>>>> >>>>> >>>>> On Thu, Jul 19, 2018 at 11:55 AM, Steven Clements >>>>> <xxxxxxxxxx@xxxxx.xxx> >>>>> wrote: >>>>> >>>>>> this one >>>>>> https://www.youtube.com/watch?v=UuOU9CyWIh0 >>>>>> >>>>>> >>>>>> *Steven* >>>>>> >>>>>> On Wed, Jul 18, 2018 at 10:57 PM, Jason Proctor <xxxxx@xxxxxxx.xxx> >>>>>> wrote: >>>>>> >>>>>>> is your patch just a regular ol' big resonant sweep? i saw a youtube >>>>>>> video of someone doing a variant on the OB-6 which involved turning >>>>>>> off >>>>>>> keyboard tracking for VCO 2, tuning it to the right pitch, setting >>>>>>> up >>>>>>> filter keyboard tracking, then playing 6-note chords. massive sweeps >>>>>>> to be >>>>>>> had with this technique! >>>>>>> >>>>>>> IMHO the OB-6 should have a drift parameter for the filters too, not >>>>>>> just the oscillators... >>>>>>> >>>>>>> >>>>>>> On Wed, Jul 18, 2018 at 7:56 PM, Michael E Caloroso < >>>>>>> xxx.xxxxxxxxxxx@xxxxx.xxx> wrote: >>>>>>> >>>>>>>> ...when you play "Tom Sawyer" in a band using the OB-X and despite >>>>>>>> lacking a stage monitor you can hear that opening grinding rezz >>>>>>>> behind >>>>>>>> the large outdoor PA. >>>>>>>> >>>>>>>> *Eeeeeerrrrrrooowwwwwwoooooooooooooo.... >>>>>>>> >>>>>>>> Sent from my iModernDayWarrior, >>>>>>>> MC >>>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>> >> >