i've built all of them. OD-1, SD-1, TS808, OD808,
while they're all kinda the same, yes there are subtle differences that matter.
stock OD-1 is thinner, tamer, and smoother than SD-1. it's probably the most boring of the lot.
OD-1 imo is closer in sound to 808 than SD-1.
OD808 and TS808 are...