I just added freebass 383 to my gear and already have a problem.
I have old Boss DR-202 groovebox and only function that it now a days have is to work as a sequencer to other synths.
I set the midi channel on fb-383 to CH2 and hooked it to DR-202. I set 202's Bass channel to CH2 and set it to external. For some reason FB-383 doesn't seem to get any midi data from DR-202. Then I hooked my old MC-303 to DR-202 with same settings and everything works fine. Then I hooked FB-383 to MC-303's channel 2 and set it to External and now freebass sings beatifully.
DR-202 -> FB-383 = no sound
DR-202 -> MC-303 = works fine
MC-303 -> FB-383 = works fine
I didn't chance any settings between the experiments and for some reason Freebass just didn't recognice or receive any MIDI data from DR-202.
I really would like to use DR-202 as a sequencer to Freebass because it's easier to program and it has 99 empty patterns. With MC-303 stepsequencer it's harder to program those slides where notes overlap and memory is limited.
Thanks in advance!