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Subject: RE: [chromapolaris] Polyphonic Aftertouch

From: "Paul D. DeRocco" <pderocco@...>
Date: 2017-07-20

> From: conorstrachan@...
>
> I have tried to get Polyphonic Aftertouch working with the
> Polaris but there are some problems. When I have it in PolyAT
> mode on my Ensoniq SQ80 and I set the Cutoff to pedal, I get
> an extremely small travel of the filter. I have checked on
> Midi Scripter and I am outputting a full range of Midi-CC
> from the SQ-80 to the Polaris and have the cut off low down
> to give it room to open. However when I change to channel
> aftertouch on the SQ80 it gives me the full range of travel.
> Has anyone tried to use the Polaris with PolyAT successfully?

Is this with the Cutoff Pedal parameter turned all the way up?

> Is this a calibration issue with the pedal therefore not
> sweeping properly? I have tried to use my Yamaha FC7 with it
> an the pedal does not seem to work even tried it with the
> polar adapter.

The Yamaha pedal has a different resistance and pinout compared to the Polaris pedal. The Polaris uses a variable 0-100K resistor between sleeve and tip. The Yamaha is really a volume pedal with tip, ring and sleeve, and has a lower resistance, so it's not compatible.

--

Ciao, Paul D. DeRocco
Paul mailto:pderocco@...