Well for me. I really like the Scumback J75 for both the Tucana 3 and Triptik2. Others I tried were Scumback H75's, Celestion M65's creambacks, Vintage 30's and Greenbacks.Okay, so it's been talked about a thousand times before...
What speaker(s) are you using for your OD models? I've been using a CL80 with my OD-2r. Very "well-defined" speaker, that is, it keeps the notes crisp and clear, even under heavy overdrive. I think it pairs well. Wondering what others use (and why).