Favorite MS-20 tricks and crafty patches.

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Zonkout
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Favorite MS-20 tricks and crafty patches.

Post by Zonkout » Thu Jul 05, 2007 3:28 pm

In anticipation of receiving my MS-20 (tomorrow!), what are your favorite weird tricks using the patch-bay?

Here are a few I have heard about:
Poor Man's Duophony
KB CV OUT ---> S&H IN
KB TRIG OUT ---> S&H CLOCK IN
S&H OUT ---> VCO2 ONLY EXT CV IN

Tune both VCO to unison, make sure both are turned up in the mixer, set EG2 Release to 0, avoid excessive Pitch modulation to better hear the effect. Playing some notes gives this result:
- On each staccato keystroke, VCO2 will give the pitch of VCO1 from the previous keystroke. So you have to hit a key twice in order to make both VCOs the same pitch. Nice for canon-like melodies.
... as seen on korganalogue.net
> Anyway, one simple "mod" that requires no work:
> insert a cable only halfway into the CV-in for LPF or HPF. This way the EG
> won't be disconnected when using external CV control! So an external CV signal
> controls the filters just like tweaking the "cutoff frequency" knob.
> This'll often sound better than when the EG is disconnected.
When I first got my MS20, I noticed that the filters don't track the
keyboard at all. I plugged the keyboard CV to the filter CV in, but
then the filter tracked the keyboard slowly in the lower octave, then
went screeching off in search of tweeters to kill! I soon realised
that the filter was tracking exponentially. I looked at the schematics
and sure enough, both the VCOs and the VCFs have exponential converters
on the modulation inputs. So, if you stick a V/Octave input into the
modulation inputs and adjust the MG level for correct scaling, it all
works and the filters track too.

Here's how you do it.

1. Plug the performance wheel into the keyboard CV input (middle, right)
to disconnect the keyboard.
2. Plug the V/octave CV from your MIDI/CV converter or another synth
into
the Total jack (top left).
3. Plug S-trigger from your MIDI/CV or synth into the MS20 trigger
input.
4. Play a note on your MIDI keyboard or the controlling synth, and
adjust
the MS20 performance wheel until you get a sensible pitch.
5. Adjust the VCO mod levels until playing an octave on your MIDI or
other
synth keyboard gives an octave out of the MS20. Then adjust the MS20
performance wheel to coarse tune the MS20 and use the tuning pot to
fine tune it.
6. The filter mod level pots adjust filter tracking in the same way.
7. Enjoy.
And Neandrewthal PMed me the following regarding MS-20 + Moogerfooger pedals:

A few of my favourite patches with the foogers:

Env.1 (triggered by keyboard) out to the cutoff on the mooger filter. If that signal is split and put to the MS-20's HPF it makes a good double resonant bandpass.

LFO out to the mix of the mooger filter(which is completely closed) for instant tremelo.

Osc from the mooger ring mod to VCO1/VCO1 CV in for FM.

Triangle LFO from ring mod into sample and hold(clocked by MS-20's square LFO) to LPF for stepped filter sweeps and to VCO CV for
quasi-sequencer action.
There are some more (with sound samples!) at http://www.korganalogue.net/korgms/mstt.html.
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Post by neandrewthal » Thu Jul 05, 2007 4:49 pm

Very simple but this is my favourite trick: Roll the mod wheel all the way up and patch the output to any volume pedal. Patch the output of the pedal to any parameter and you have an MS-04 CV pedal for one tenth the price.

Just wait til cruel hoax gets here :shock:

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Post by Zonkout » Thu Jul 05, 2007 4:59 pm

Thankfully I have a CV pedal that outputs +/- 6V. That's gonna be fun.

Drum machine through the ESP sounds good:
http://www.youtube.com/watch?v=Y-ioVjjxJDo

I heard that patching the noise source into the ESP can provide random triggers--anybody here tried that?
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Post by VCO » Thu Jul 05, 2007 7:08 pm

There's the classic noise generating patch setup: patch the Signal out/Phones --> ESP signal in. Now patch the different outputs of the ESP to the VCOs' and the VCFs' FM inputs. The Freq-to-Volt converter is my favourite. Plug its output to the VCO's FM input and let the synth's output control the oscillators' pitch.

Another thing: If you want to perform a pitch bend by pressing the momentary switch, patch the switch to the EG1 triiger input, set the VCOs' EG1/EXT knob to whatever you want the bend range to be and set the Attack and Release knobs on EG1 to whatever you want the bend time to be. Great if you want to use the mod wheel to control the amount of vibrato and still be able to do pitch bends - great for leads.

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Post by neandrewthal » Fri Jul 06, 2007 5:27 pm

Don't tell me all the MS-20 gurus have left us :x . Denms, donaldm, sam, hoax, clubbed, where are you guys?

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Post by Zonkout » Fri Jul 06, 2007 5:46 pm

I borrowed a friend's Moogerfooger CP-251 to use with the MS-20 (which looks like it won't arrive until Saturday or Monday :( ...). I can only imagine the loads of fun to be had with the CP.
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Post by donaldm » Fri Jul 06, 2007 8:42 pm

Zonkout wrote:I borrowed a friend's Moogerfooger CP-251 to use with the MS-20 (which looks like it won't arrive until Saturday or Monday :( ...). I can only imagine the loads of fun to be had with the CP.
yeah the MF pretty much has every little tool you need. the 4 way mixer on it is the handiest thing in the world for working with the MS-20.

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Post by audible » Fri Jul 06, 2007 8:46 pm

donaldm wrote: yeah the MF pretty much has every little tool you need. the 4 way mixer on it is the handiest thing in the world for working with the MS-20.
+1.

And the VCLFO is something I always missed on the MS20 and other analogs.
"The concern of the musician is music. The concern of the professional musician is business. Only become a professional musician if there is no choice." Robert Fripp.

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Post by Zonkout » Fri Jul 06, 2007 8:50 pm

donaldm wrote:
Zonkout wrote:I borrowed a friend's Moogerfooger CP-251 to use with the MS-20 (which looks like it won't arrive until Saturday or Monday :( ...). I can only imagine the loads of fun to be had with the CP.
yeah the MF pretty much has every little tool you need. the 4 way mixer on it is the handiest thing in the world for working with the MS-20.
Do you just mix LFO waves with it?
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Post by donaldm » Fri Jul 06, 2007 8:53 pm

absolutely, clocking the MF's LFO with the Korg's MG - - - awesome

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Post by donaldm » Fri Jul 06, 2007 8:55 pm

Zonkout wrote:
Do you just mix LFO waves with it?
You can do all sorts of things, mix an LFO with a sample and hold. Or mix S/H with noise or any voltage out of the MS patchbay. Its that the mixer has two scaling controllers that make it super flexible.

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Post by Slickie » Fri Jul 06, 2007 9:02 pm

:D

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Post by neandrewthal » Sat Jul 07, 2007 7:24 am

Thanks a lot guys, now I have to have one :roll:

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Post by Zonkout » Wed Jul 11, 2007 2:24 pm

MS-20 arrived yesterday and I quickly cooked up my favorite patch:
http://www.youtube.com/watch?v=7smApGc1xe0
The drum machine is making the bass line--there is no sequencer involved.
I didn't demonstrate in the video, but the keyboard will transpose the bass line.

I also patched up a borrowed Moog CP-251. Plenty of weird rhythms to be had from the extra LFO.
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Post by haricots » Wed Jul 11, 2007 6:07 pm

very nice!

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