Boss KM-6B Mixer Polysynth though it's possible that some

though it's possible that some crackle may occur when the unit's not been used for a while - should disappear with use

It's just back from a mechanical and electrical refurbishment/rebuild including varispeed mod

The back panel is scuffed and dinged but this does not affect the functioning of the unit

Also has an effect send and return which can be assigned to any of the channels in place of the internal spring reverb

) in one instrument

Boss KM-6B Mixer Polysynth though it's possible that someExceptionally clean example of this brutalist stereo 6 channel mixer. Complete with rack ears and original box. Serviced and ready to ship.