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Powertran Transcendent 2000 |
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MODS - Midi | |
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Adding Midi to the Transcendent 2000 Module | |
Well, since it's been module-fied, I knew that sooner or later i'll add internal midi to it, rather than running it off from my Midi-to-CV converter (Kenton Pro-Solo in this case). |
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There were a few things to consider when it comes to adding midi, and i had to plan ahead slightly beforehand. | |
ISSUES | |
- VCF Control needs -12V - 0V - +12V, so any simple Midi-to-Aux CV won't do, an additional circuit is required. | |
- The Gate/Trigger is Pulled-Up S-Trigger - it's ok with my Kenton Pro Solo, but the S-Trig Out from say a Kenton Pro-2 would not cut it. So either a Midi-to-CV Converter that can do pull-up S-Trig or some additional circuit is required. (Pull-up is not difficult tho, it's just adding a 10k resistor wired to the +ve - although it can also be done using transistors). | |
- How to patch in the Aux CV to VCF - if patched to the Filter Frequency Pot directly, the Pot would become useless (as the Aux CV would add voltages to it constantly). If patched to the Foot Pedal Control, you'll lose the foot pedal input function (if you have the foot pedal - i do have one) | |
CHOICE | |
Since i have the External CV routed so that the onboard Portamento would still work, basically I would just need a Midi-to-CV that does Pitch Bend and a couple of Aux CVs. | |
I happened to come across a 2nd hand (cheap!) Doepfer MCV4 -
the same one i put inside my
Korg MS-20 -
which is kinda perfect for this job!
Main Pitch CV (with Pitchbend) + 3 Aux CVs, Gate can be configured to be V-Trig, S-Trig, Inverted or Non-inverted. Gate can also be configured to run at the power supply input voltage - which in this case, a pull-up is not neccessary. |
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This one is actually an older RED model... |
What's Left To Do... |
Actually there could be more done. I have 2 more Aux CV's left on the MCV4 (1 being Midi Volume CC#7, other being a freely assignable Midi CC#). These maybe routed to other areas for further controls... But I think i'll leave it like this for the time being. |
Well, now at least I have a fully midi-ed Transcendent 2000 Module :) |