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MIDI for Korg Monopoly = Midipoly
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Old 13th August 2012   #1
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MIDI for Korg Monopoly = Midipoly

Midipoly is a new retrofit tuning kit for the Korg Monopoly.
Actually a CPU replacement with some nice controlling add-ons.
Highlights:
- No-drilling installation
- MIDI note In and Out
- Pitch bend controlling with MIDI
- Cutoff controlling with MIDI
- Portamento On/Off controlling with MIDI (emulating those 303-ish slides!)
- Arpeggio synced to MIDI
- Triggering the 4 oscillators independetly with MIDI velocity

Release in October.
If you like to check Midipoly live:
Cema & Synus0006 live act on 6th of October, Budapest with special guests Mike Parker and Stanislav Tolkachev.
PANEL TRAX RECORDS 3-year anniversary with special guests: MIKE PARKER /USA/ and STANISLAV TOLKACHEV /UKR/ | Facebook
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Old 13th August 2012   #2
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sounds good !
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Old 13th August 2012   #3
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Do the Moog Source next!!
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Old 13th August 2012   #4
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Couple of questions

1. can you use it in Poly Mode, to control all the voices on different notes? or is it just for Mono mode?
2. Cutoff control via MIDI sounds good, however, does this modification go in between the filter and it's own internal cutoff knob, digitizing it in the process and introducing audible stepping? or is the internal cutoff knob left completely alone and the new MIDI filter control runs parallel to it?
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Old 13th August 2012   #5
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Originally Posted by xanderbeanz View Post
Couple of questions

1. can you use it in Poly Mode, to control all the voices on different notes? or is it just for Mono mode?
2. Cutoff control via MIDI sounds good, however, does this modification go in between the filter and it's own internal cutoff knob, digitizing it in the process and introducing audible stepping? or is the internal cutoff knob left completely alone and the new MIDI filter control runs parallel to it?
1. Yes, all the original assign modes including poly is supported with MIDI plus a so-called "superpoly" mode where you can address which oscillator to trigger with a MIDI note velocity. There are several uses of the superpoly mode.
- you can set different volumes on different oscillators and you got 4 levels of velocity
- by detuning the oscillators you can play off-scale notes with 24, 36 or 48 notes in an octave
- you can build up nice loops with controlled triggering of the oscillators

2. Nothing digitized, it is just another source of filter modulation. There are bend, mg1, env, external and now midi all mixed and can be used parallel.
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Old 13th August 2012   #6
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Fantastic! Exactly what I've been looking for.

Any info on pricing yet?
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Old 13th August 2012   #7
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Man would I like to midify my DV800 MaxiKorg
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Old 13th August 2012   #8
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Man, you just keep making my favorite synths better.

Juno 60, Jupiter 4, and now the Mono/Poly.

:D
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Old 14th August 2012   #9
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Fantastic! Exactly what I've been looking for.

Any info on pricing yet?
Will be cheap, around 150.
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Old 14th August 2012   #10
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Well, even better then. Where can I get on a preorder list?
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Old 14th August 2012   #11
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Nice, totally buying this! I love the Jupe4 kit.
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Old 14th August 2012   #12
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Quote:
PANEL TRAX RECORDS 3-year anniversary with special guests: MIKE PARKER /USA/ and STANISLAV TOLKACHEV /UKR/ | Facebook
Cool label, nice raw stuff! Are you playing there as well?
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Old 14th August 2012   #13
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Originally Posted by Telehorse_UMA View Post
Well, even better then. Where can I get on a preorder list?
Sites with contact and other info:
MIDIpolis
About
I also read PM
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Old 14th August 2012   #14
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Cool label, nice raw stuff! Are you playing there as well?
Thanks
Playing as Cema with Synus. Both of us play and record live and we will put together our stuffs.
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Old 14th August 2012   #15
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Originally Posted by jessem View Post
Man, you just keep making my favorite synths better.

Juno 60, Jupiter 4, and now the Mono/Poly.

:D
Good taste, man
MP is a secret weapon, can sound very modernish yet cool analog sound.
These are my tuning tips:
1. if you set MG1 waveform BETWEEN saw and square the speed gets super fast, nice for FM-ish modulations
2. bridging R23 on KLM355 filter-vca-env board shortens vca attack time and gives extra punch
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Old 15th August 2012   #16
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Looks cool, no extra LFOs or anything like on the other kits though? I realise there are already 2 LFOs on the monopoly I just thought it would be cool to have a tempo-sync one available for some stuff. Probably still will get this
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Old 15th August 2012   #17
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When you say bridging R23 do you mean leave the resistor there but also solder a wire between the two points? Or replace the resistor entirely?
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Old 15th August 2012   #18
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When you say bridging R23 do you mean leave the resistor there but also solder a wire between the two points? Or replace the resistor entirely?
You can leave the resistor and just add a wire.
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Old 15th August 2012   #19
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Originally Posted by networkacid View Post
Looks cool, no extra LFOs or anything like on the other kits though? I realise there are already 2 LFOs on the monopoly I just thought it would be cool to have a tempo-sync one available for some stuff. Probably still will get this
Good idea, thanks
I think about how it can be implemented but definitely borrowing the LFO codes from the other kits is possible.
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Old 15th August 2012   #20
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Give us a sample and hold LFO! It's sorely missing from the Mono/Poly, and whilst i can emulate it using my MIDI to CV controller and getting Cubase to spit out random notes, a dedicated S/H would be great

I just noticed, on my earlier Mono/Poly thread, you commented on my video:

"For this video I like this community
Makes me think how cool would be a new MIDI retrofit system to M/P!
If you think the same come on and vote on my site!"

If i in anyway inspired you to create this MIDI retrofit system then that's incredible and i feel honoured, keep up the good work!



Remember, Sample and Hold
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Old 15th August 2012   #21
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Remember, Sample and Hold
Yeah, I got your idea and actually plan to realize it a way like Jupiter 4 does.
The sample clock will be the arpeggiator lfo and the amount will be the keyboard track. This "Alex mode" will be activated by a button combination like hold+chord.
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Old 15th August 2012   #22
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Will buy it.

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Old 15th August 2012   #23
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Will buy it.

Price?
Cheap, around 150.
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Old 16th August 2012   #24
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I could probably design you a little Midi/Poly sticker you could give away with the kit if you like, it'd just be a transparent sticker with Midi/Poly on, in the Mono/Poly font to stick on the front of the case next to the Korg logo

oh, and is this 150 in dollars?

Do you need half decent soldering skills to install it?

Cheers
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Old 16th August 2012   #25
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Originally Posted by xanderbeanz View Post
I could probably design you a little Midi/Poly sticker you could give away with the kit if you like, it'd just be a transparent sticker with Midi/Poly on, in the Mono/Poly font to stick on the front of the case next to the Korg logo

oh, and is this 150 in dollars?

Do you need half decent soldering skills to install it?

Cheers
Only two wires to solder and minimal disassembling.
No final calculation yet, but cost is probably similar to Minerva for Juno 60 which is 129 EUR / 159 USD.
Sticker? Good to know you are familiar with artwork
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Old 22nd August 2012   #26
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First recording with the Midipoly.
Live, no manual tweakings, all sequenced with an Octatrack.

http://soundcloud.com/covariance/monopolarized
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Old 3rd October 2012   #27
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http://soundcloud.com/covariance/cema-synus-spinning
Another nice track prepared for our live act.
Made with Octatrack, Reason and Roland D2 in a one-hour session.
Listen how the MIDI controlled portamento does nice 303-ish slides.
The Monopoly is partially recapped, now the envelopes are much punchier.
Sound is well balanced between Japanese and Americal sound.
Only drawback is the noisy VCA which can be heard at low cutoff settings.
Actually there are two VCAs in serial: the first is only for compensating volume drop due to resonance and directly controlled from the resosnance knob.
The second VCA handles volume envelope.
Better construction would be a one stage modern VCA for low noise.
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Old 3rd October 2012   #28
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Hmmm strange. VCA in my MonoPoly is basically noiseless.

(though mine is completely recapped and full calibrated to orig factory specs)

Which revision you have?
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Old 3rd October 2012   #29
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Mine's very noisy, could do with a service though. I'll prolly get that done once MidiPoly is out.
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Old 3rd October 2012   #30
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arg, want a Mono/Poly more.
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