BTB 01 BK
[EAST EQ elektronika]

EAST – profesional bass preamp , BASS // TREBLE dual potentiometer and posh-pull for treble , 9-18 V bat + manual ___________ The BTB-01 is based on the middle stack of the J-Retro 01 bass preamp. It consists of a Single dual concentric knobs tack with controls for BASS, TREBLE and BRIGHT function.