Minimoog Model D with Volta?

I just bought Volta from MOTU since I have an 828 mk3 and I’d like to test it with my Minimoog Model D. I am not a CV expert (barely a novice) as I only record my analog synths in directly but the prospect is exciting. I sequence primarily with Logic. Hopefully someone has some experience with this and can guide me in the right direction.

If anyone doesnt know what Volta is: http://www.motu.com/products/software/volta/

So I made the connections TS for the Minimoog CV inputs: Oscillator, Filter, and Loudness (not yet using S-Trig as I hear it is as of yet unsupported by MOTU, nor do I have the cable) and I connected these via TRS to 3 Outputs in the MOTU.

I hear a little pops and clicks when I hit a midi keyboard (which I assume is the CV being sent out from the MOTU) but there is no sound being triggered on the Minimoog.

Also, when the CV in for Loudness is connected on the Mini I can no longer trigger the Mini’s keyboard.

To be specific I made the following physical connections:

  1. the Minis CV input for Oscillator to Analog Output 6 on my MOTU 828
  2. CV In for Filter to Output 7
  3. CV In for Loudness to Output 8

I made a quick screencast and there is no audio but it shows my basic settings if anyone is familiar with this and can help. If I turn up the instrument channel strip in Logic there is a feedback loop I can hear.
http://screencast.com/t/00au86WXu3h

If anyone has any ideas or pointers it is much appreciated. Thanks so much.

Hmm, isn’t the fun of owning a Minimoog D actually to play it ? I mean with your hands ? Ya know, the “hands-on” experience ?
Moreover, on the Mini the external CV input is added to the CV coming from the internal keyboard, and adjusting it to get properly scaled notes out of it might be tricky, with the Volta interface (or any MIDI-to-CV interface for that matter).

I’m not against sequencing it, be it from a computer or an analog sequencer, mind you. It’s just that it seems going to a lot of trouble to do so, when you could simply record each track from the audio output, one by one, while playing the instrument live and tweaking the modulation and pitch bend wheels and stuff (much more expressive than a computer sequence)…? You have to also consider that the mod wheel isn’t accessible through CV input, so no varied modulation levels can be programmed into those sequences. You can always program pitch bends in software though.

The Voyager is much more “computer friendly” than a Minimoog D. You could always add a MIDI interface to your Mini though. That would simplify things a lot, for interfacing with a computer.

My two cents on it, TIFWIW.

Addendum: if your MOTU sends out gate or positive trigger signals, you can build yourself a very very simple Gate to S-Trigger adapter using one simple 3 legs transistor and one resistor.
Here’s a link that explains how (it’s near the top of the page):
http://www.doepfer.de/faq/gen_faq.htm#S-Trig