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The E370 Quad Morphing VCO is a Eurorack-compatible module containing 4 independent digital voltage-controlled oscillators.
The E370 Quad Morphing VCO is a Eurorack-compatible module containing 4 independent digital voltage-controlled oscillators.
268 patrocinadores contribuyeron 262.850 $ para que este proyecto se pudiera realizar.

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    1. Falta avatar

      Gregory M. O'Drobinak

      Exactly how is "phase mode" being implemented?
      There is now only one output jack, so it appears that one can no longer get quadrature outputs (or any two waves offset by a given angle).
      Also, is the VCA block still there in the 'XY' signal path?
      If so, what input signal is sacrificed (as per the E350 doc) since there are only 5 control jacks shown on the E370 panel mockup?
      Thanks for your detailed reply on this issue!

    2. Falta avatar

      Dan Burke

      Congrats SynthTech!! Congrats everybody! Pleased as punch and swelling with pride to be onboard. ;)

    3. Falta avatar

      Tim Wisecup

      congratulations on the hugely successful kickster campaign! looking forward to following progress, and one day playing with one of these beasts!

    4. Brian Oz

      Ivan - you can state this in the survey that eventually or in a direct message to the project creator

    5. Falta avatar

      Ivan Schwartz

      Please add on to my Early Bird Special a DIY:

      $799 Early Bird Special
      $699 DIY
      $ 30 Shipping

      $1528 Total

    6. Falta avatar

      Jorge Gomez

      can we please travel forward in time faster? November is still too far away!

    7. Falta avatar


      +1 for black panel :-)

    8. Falta avatar

      Patrick Link

      +1 black panels (option), if possible!

    9. Patrik Rydberg

      Stupid me, of course I needn't have worried about reaching $180k. =)

    10. Stephen 'Einstein' Greco

      Small stretch goal for black panels? Maybe?

    11. Falta avatar


      Fantastic, all unlocked, this is going to be one hefty piece of kit in my set up � Nice one MD for pushing it over the finish line, I think DivKid should get a big � up as it was a bit static at 10K to go before his push and write up ��

    12. Falta avatar


      I did it, couln't resist to put it over 180k! :-)

    13. LoydB

      TZFMmmmmmmmmmm !

    14. Patrik Rydberg

      Ok. ThruZero getting close. If not reached with one day left, can't we all just pledge an additional $5 or so each to secure it? Would be nice!

    15. Falta avatar


      Fourthing Scala Support.

    16. LoydB

      Thirding the scala support.

    17. Falta avatar

      John Loffink

      Seconding the request for user defined scales for the chord mode. The operation is fairly simple:
      1. Load standard Scala *.scl format scale files from the microSD card, in a folder named "Scales."The file contains the ratios or frequencies for every scale degree, with any number of notes per scale.
      2. Allow user to enter the "octave" (may not be 2/1 repeating such as for a Bohlen-Pierce scale, but the concept is still applicable) and scale degree (note) for each chord value.

    18. Falta avatar

      Armando Cajide

      Great ideas guys!

    19. Falta avatar

      Dan Burke

      Thruuu Zeeero!

    20. Stephen 'Einstein' Greco

      Chords Idea: Each new input cycles thru each osc (like Korg Monopoly Poly Arpeggiator)

    21. Falta avatar


      Hi Paul,

      Congratulations on reaching this stretch goal!
      I would love something like Stas' idea and it would also be nice if you could control the chord inversions somehow.

    22. Falta avatar

      Nicholas Santos

      With the floating assignments and now chord goals unlocked, is the idea that MOD A and B will have global settings so that MOD A c on Osc1 can be set to global mode and change all 4 oscillators at once, thus freeing up additional mod inputs for chord settings? Or will the chord settings be done by remapping the 1v/Oct inputs as chord modulation?

    23. Falta avatar

      Stas Shtin

      I would love chords mode to support user-defined ratios (not just 12TET steps). This would be useful for xenharmonic compositon or for using it as a single-voice monster additive VCO. Here's how I see it working:

      1. Each chord is defined as as 1-3 ratios (i.e. VCO3&VCO4 may be excluded from chords if their ratios are not set, so they are individually addressable as usual)

      2. User can setup list of chords (i.e. up to 10 chords)

      3. CV1 is used to select chord root

      4. CV2 or coarse2 knob is used to select chord index in chords list

      Ideally there would be chord import/export to SD card.

      Another enhancement would be an option to morph chords, i.e. use CV2 value to interpolate between chord ratios.

    24. Falta avatar

      Armando Cajide

      Just got 2 early birds. Hope we get all the stretch goals! :)

    25. Falta avatar

      Geoffrey Carter

      Thank you for posting your upgrade, ddxcm!

    26. Falta avatar


      One earlybird now available- i upgraded to 2x

    27. Falta avatar

      Patrick Link

      I've upgraded from an EarlyBird slot to a 2x Early Bird, thereby freeing up 1 Early Bird (you're welcome whomever you are). I'd really like to see that Thru-Zero stretch goal reached!

    28. Paul Schreiber Creador

      Certainly, if the CHORDS option funds, we will be asking for inputs to what people want it to do, exactly. Please post any ideas like this here.

    29. Damien Higdon

      The Chords mode brings a few things to mind. Would it be possible to allow the system VCO setting to include an additional 3+1 (triad, solo) configuration, while also allowing Chord mode to be a selectable option for triads (and pairs), so we can effectively have 3-note chords play while leaving the 4th VCO for solo/lead, and assignable to a different oscillator type?

    30. Brian Oz

      Gah. Previous comment should say:

      This would NOT be the first time Paul was responsible for people expanding their setup and getting new cases.

    31. Brian Oz

      Heh. This would be the first time Paul was responsible for people expanding their setup and getting new cases.

    32. LoydB

      I give up. I've backed it, knowing full well I don't have space for it :) New case time!

    33. Paul Schreiber Creador

      That's a great idea! Added to list of feature requests.

    34. Guido Heye

      Hey Paul, if there's room on the flash, you should maybe include a list of pledgers, would be cool!

    35. Paul Schreiber Creador

      Eric & I talked and we will be able to "tune in" voltages from about 0.95V/OCT to 1.25V/OCT. So, you are all set!

    36. Paul Schreiber Creador

      We will see how much work is needed to add 1.2V/Oct tracking as an option.

    37. Patrick McMaster

      Congratulations Paul - would it be possible to add support for 1.2V/OCT tracking in the firmware for all of the Buchla folks? Thanks!

    38. Paul Schreiber Creador

      Yes, the only thing to remember is each VCO has 1 audio output (unlike the E340 that has 2).

      But yes, 32 VCOs all going at the same time.

    39. Syruss Flyte

      So, if I'm reading correctly, I could set each of the 4 VCOs to cloud, with up to 8 virtual VCO's per cloud?... So effectively it can function as 4 E340's ?!? Can we say 'drone-y, ambient, awesomeness"? I mean, I was already sold, and backed before bothering to read everything, but now I'm even more excited about this project… except that I'm going to need another eurorack case now.

    40. Falta avatar


      Beyond stoked! \m/

    41. Falta avatar

      Lou Rawls

      Keep up the good work!

    42. Falta avatar


      I'm in � very excited to be a backer ��

    43. Greg Carson

      Sounds amazing -- and this is just the prototype. Can't wait!!

    44. Paul Schreiber Creador

      It's going to fund! I have a great feeling and thanks to everyone this first 15 minutes!

    45. Brian Oz

      Very excited for this!! Can't wait to see how far this project goes.