Originally Posted by
allenhopkins
Found the same on my "octave tuned" Octofone. Going from the third course (octave tuned) to the second course (unison tuned), the melody made a weird change, simultaneously going lower and higher in pitch. On the other hand, the full beefy four-course chords were great accompaniment for either vocals, or another lead instrument.
Since I already had a unison-tuned OM, I kept the Octofone tuned with two "octaved" courses, and use it mainly for chording. It's a neat sound.