There are significant changes between the Baltic 3 vs the Baltic 4 including trickle down new tech engine and different tubes. It was on my short list until I snagged a fantastic sonic deal in the Linn DSM/2 with upgraded Organik DAC card - sonically completes with the best of the best so I'm done upgrading DACs. I may try a tube DAC someday to try out that "holographic" sound many favor and to tube roll a bit, so Lampi is still a viable option.
