I am trying to test the tuning precision of my Prophet-6 because I think I have an issue with one voice.
Q1: If I hit a single note repeatedly, does it cycle through the 6 voices? It sounds like it does but I'm not sure.
Q2: If I do a 1 note arpeggio with the arpeggiator and put it on hold, does it cycle through the 6 voices?
I tried having a sound with sustain high (near 10) and creating a 1-note arpeggio and putting it on Hold. If pan spread is turned up, the notes appear in different places in the stereo image so I presume the P6 is cycling through the voices.
I did this in Live Panel mode (Preset button not lit) with all modulation switched off and pots involved in any modulaiton centered or zeroed.
I am using simple sawtooth or simple square (pulse width = 50% or 5 on scale 0-10), also trying triangle but this is too mild. High pass filter fully open and low pass cutoff at various positions.
If I have Osc1 and Osc2 up at equal levels and detune them from each other a certain amount, I can hear the beats varying from voice to voice (I think) and perhaps one voice sometimes comes up with a very different frequency of beats (i.e. different detuning). Also I can sense occasional notes are off pitch - maybe every 6th one but not 100% certain because it seems to come and go a bit.
Now I am glad the beats vary a bit because it's a VCO synth but I have a suspicion that one voice is going out of shape sometimes and giving some "sour" sounding notes and/or chords. This happens from time to time and particularly biut not always with sound 370 and patches I have derived from it, with effects on or off.
I may be able to post a video of some sounds later on YouTube and link to it.
Would the above confirm if there is a problem with one voice of the P-6?
Any advice appreciated!
Best regards,
Dave in the UK.