UTL-3: The UTL-3 is a passive* 10 channel bi-directional Banana Jack <=> TinyJax format jumbler. This is primarily used for interfacing Buchla Format systems with them selves or other banana jack based systems. Just connect the ground jack (black jack located on the side of of the UTL-3) to your banana modular systems power supply ground jack and you're ready to go! Built from the same die cast aluminum enclosures used for boutique effects pedals, the UTL-3 is built like a tank and can take a beating. *this unit is passive and does not perform any voltage/level scaling/offsets