CV Tools and Moog DFAM -- can't calibrate

[babyzammo]

Hi there,

I have a DFAM and I'm trying to hook it up with CV Tools. No problem to sync the clock, but what I really want to do is calibrate the DFAM to CV tools so I can play notes from my midi keyboard and they'll play the right pitch on the DFAM. I followed the Moog video here:

https://www.youtube.com/watch?v=oNSD99cWkvc

All goes well until it's time to calibrate. When I try, CV Tools says that the pitch is unstable and can't calibrate. I can hear when it's trying to calibrate the pitch on the DFAM is wandering up and down.

Usually my DFAM is solid and doesn't have any pitch instability, so I think the CV signal from the audio out of my Tascam soundcard must be unstable... Or maybe it's a setting. Or do I need a special cable? I've tried with mono jack to mono mini jack, and stereo to stereo.

Anyone been able to make this work? Many thanks for any advice or insight.

Nick

[zsazsa]

Is your audio interface DC coupled?
If not then it is not suitable for sending CV.

[babyzammo]

@ zsazsa, thanks I think you're correct. Shame Moog don't mention this in their tutorials. So... is there any way to convert audio AC into a DC signal to calibrate the DFAM? Like a clever cable or a box...?

[TLW]

A MIDI to CV convertor may be what you are looking for. I think Doepfer make one as do some other modular makers.

Another option might be a controller which can convert MIDI into CV or sequencer that can send CV such as a Dark Time, Beatstep Pro or Keystep.