I was comparing my Octabvre MKIII to an OC5 I borrowed (and an OC2 clone I have) a few days ago.
The OC5 is almost spot on tone wise with the OC2, and has a bit more volume on tap. Latency is great, almost instant, I couldn't really feel the difference to be honest. Didn't care much for the +1 octaves and the poly mode, but I was never really into POG tones either.
Octabvre MKIII doesn't do an exact OC2 tone (with the tone knob fully rolled off and Tim switch on). It doesn't do that "hollow" thing, it's fuller and has more mids, but also feels tighter in the low end compared to OC5/OC2. Turning the tone control up brings even more harmonic content, so it goes even further away from the OC2-like tones. It is LOUDER than either OC2 and OC5, for sure, and has more volume on tap.
Tracking on both OC5 and Octabvre was excellent. OC5 seemed to hold notes longer better, but did seem to glitch out in places where my Octabvre wouldn't. Both were great with tracking though, and it's just a small technique adjustment.
So, if you're looking for that exact OC2 tone, Octabvre MKIII does not do that. I however, prefer it, it feels meatier, more pronounced and has a character of its own. Still the best analog octaver to me.
Ive had a few Japanese OC-2s & Mu-Tron Octave Dividers in the past & compared them to the Octabvre mkii, Mini, & mkiii.
Of the 3leafs, the mkii was my favorite & the one I still own & while it isn't an exact clone of either I think the mkii sounds better than the OC-2 & Mu-Tron which both have a significant volume drop when activated.
The mkii & Mini have a thick & creamy tone that I felt the mkiii lacked but no matter which iteration of the Octabvre you get, they are quality octavers, probably the best on the market.
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