There is absolutely no doubt that teenage engineering’s OP-1 is one of, if not the most influential, synthesisers of the decade. However, as we’ve already seen multiple times with the Swedish brand’s products, trying to fit them into a single conventional category doesn’t do them justice. The OP-Z is more than just a sequencer, the TX-6 is more than just a mixer, so it only makes sense for the OP-1 to be more than just a synthesiser. Aside from the legendary synth engines, the OP-1 fe...